All Results|Race Analytics|Course|Contact
BOSTON MARATHON 2026

Grant Giller

Bib: 29220•M

MA

Boston Marathon logo
0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 29021
Gender (Male)
#0 / 16340
Age Group (M18-39)
#0 / 5723
Race Day Weather
51°/41°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
27:41
3.11 mi
Rank: #22204
Start → 5K
27:41 | 8:55/mi
10K
54:38
6.21 mi
Rank: #21793 (+411)
5K → 10K
26:57 | 8:41/mi
15K
1:22:17
9.32 mi
Rank: #21919 (-126)
10K → 15K
27:39 | 8:54/mi
20K
1:50:21
12.43 mi
Rank: #21933 (-14)
15K → 20K
28:04 | 9:03/mi
HALF
1:56:28
13.11 mi
Rank: #21966 (-33)
20K → HALF
6:07 | 8:59/mi
25K
2:19:32
15.53 mi
Rank: #22173 (-207)
HALF → 25K
23:04 | 9:31/mi
30K
2:49:32
18.64 mi
Rank: #22169 (+4)
25K → 30K
30:00 | 9:40/mi
20M
3:03:05
20.00 mi
Rank: #22223 (-54)
30K → 20M
13:33 | 9:59/mi
21M
3:13:21
21.00 mi
Rank: #22155 (+68)
20M → 21M
10:16 | 10:16/mi
35K
3:20:12
21.75 mi
Rank: #22084 (+71)
21M → 35K
6:51 | 9:10/mi
23M
3:32:44
23.00 mi
Rank: #22111 (-27)
35K → 23M
12:32 | 10:01/mi
24M
3:42:46
24.00 mi
Rank: #22159 (-48)
23M → 24M
10:02 | 10:02/mi
40K
3:51:40
24.85 mi
Rank: #22208 (-49)
24M → 40K
8:54 | 10:25/mi
25.2M
3:55:32
25.20 mi
Rank: #22228 (-20)
40K → 25.2M
3:52 | 11:13/mi
FINISH
4:06:18
26.22 mi
Rank: #22359 (-131)
25.2M → FINISH
10:46 | 10:34/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:56:28
Pace8:54 /mi
2nd Half
Distance13.11 mi
Time2:09:50
Pace9:55 /mi
📊Positive Split: 11.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:0027:418:5527:41
8:55
-
10K
6.21 mi12:17:5754:388:4826:57
8:41
-0:14
15K
9.32 mi12:45:361:22:178:5027:39
8:54
+0:13
20K
12.43 mi13:13:401:50:218:5328:04
9:03
+0:09
HALF
13.11 mi13:19:471:56:288:546:07
8:59
-0:04
25K
15.53 mi13:42:512:19:328:5923:04
9:31
+0:32
30K
18.64 mi14:12:512:49:329:0630:00
9:40
+0:09
20M
20.00 mi14:26:243:03:059:1013:33
9:59
+0:19
21M
21.00 mi14:36:403:13:219:1310:16
10:16
+0:17
35K
21.75 mi14:43:313:20:129:136:51
9:10
-1:06
23M
23.00 mi14:56:033:32:449:1512:32
10:01
+0:51
24M
24.00 mi15:06:053:42:469:1710:02
10:02
+0:01
40K
24.85 mi15:14:593:51:409:208:54
10:25
+0:23
25.2M
25.20 mi15:18:513:55:329:213:52
11:13
+0:48
FINISH
26.22 mi15:29:374:06:189:2510:46
10:34
-0:39

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

8:41 /mi

Average Pace

9:24 /mi

Slowest Pace

11:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:03:19

50% of race

Time at Steady Pace

1:19:09

32% of race

Time at Slower Pace

43:50

18% of race

Average Pace: 9:24 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:51:0027:418:5527:41
8:55
#22204
10K
6.21 mi12:17:5754:388:4826:57
8:41
#21793
15K
9.32 mi12:45:361:22:178:5027:39
8:54
#21919
20K
12.43 mi13:13:401:50:218:5328:04
9:03
#21933
HALF
13.11 mi13:19:471:56:288:546:07
8:59
#21966
25K
15.53 mi13:42:512:19:328:5923:04
9:31
#22173
30K
18.64 mi14:12:512:49:329:0630:00
9:40
#22169
20M
20.00 mi14:26:243:03:059:1013:33
9:59
#22223
21M
21.00 mi14:36:403:13:219:1310:16
10:16
#22155
35K
21.75 mi14:43:313:20:129:136:51
9:10
#22084
23M
23.00 mi14:56:033:32:449:1512:32
10:01
#22111
24M
24.00 mi15:06:053:42:469:1710:02
10:02
#22159
40K
24.85 mi15:14:593:51:409:208:54
10:25
#22208
25.2M
25.20 mi15:18:513:55:329:213:52
11:13
#22228
FINISH
26.22 mi15:29:374:06:189:2510:46
10:34
#22359
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi22204133231332322205(Top 77%)13378(Top 82%)13378(Top 234%)
10K6.21 mi3.10 mi21793+41113135+18813135+18821296(Top 73%)12922(Top 79%)12922(Top 226%)
15K9.32 mi3.11 mi21919-12613207-7213207-7222205(Top 77%)13378(Top 82%)13378(Top 234%)
20K12.43 mi3.11 mi21933-1413217-1013217-1022060(Top 76%)13277(Top 81%)13277(Top 232%)
HALF13.11 mi0.68 mi21966-3313233-1613233-1622607(Top 78%)13553(Top 83%)13553(Top 237%)
25K15.53 mi2.42 mi22173-20713334-10113334-10123042(Top 79%)13727(Top 84%)13727(Top 240%)
30K18.64 mi3.11 mi22169+413307+2713307+2722120(Top 76%)13206(Top 81%)13206(Top 231%)
20M20.00 mi1.36 mi22223-5413324-1713324-1722501(Top 78%)13306(Top 81%)13306(Top 233%)
21M21.00 mi1.00 mi22155+6813274+5013274+5021264(Top 73%)12675(Top 78%)12675(Top 221%)
35K21.75 mi0.75 mi22084+7113231+4313231+4320643(Top 71%)12314(Top 75%)12314(Top 215%)
23M23.00 mi1.25 mi22111-2713225+613225+622170(Top 76%)12998(Top 80%)12998(Top 227%)
24M24.00 mi1.00 mi22159-4813230-513230-522888(Top 79%)13312(Top 81%)13312(Top 233%)
40K24.85 mi0.85 mi22208-4913245-1513245-1522973(Top 79%)13291(Top 81%)13291(Top 232%)
25.2M25.20 mi0.35 mi22228-2013248-313248-322861(Top 79%)13245(Top 81%)13245(Top 231%)
FINISH26.22 mi1.02 mi22359-13113288-4013288-4025194(Top 87%)14364(Top 88%)14364(Top 251%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21
+97ft-345ft

Overall

22205

Males

13378

M18-39

13378

5K→10K

3.1 - 6.2 mi

Top 73%
×5
+79ft-138ft

Overall

21296

Males

12922

M18-39

12922

10K→15K

6.2 - 9.3 mi

Top 77%
×3
+67ft-78ft

Overall

22205

Males

13378

M18-39

13378

15K→20K

9.3 - 12.4 mi

Top 76%
×5
+106ft-86ft

Overall

22060

Males

13277

M18-39

13277

20K→HALF

12.4 - 13.1 mi

Top 78%
×2
+19ft-37ft

Overall

22607

Males

13553

M18-39

13553

HALF→25K

13.1 - 15.5 mi

Top 79%
×4
+66ft-88ft

Overall

23042

Males

13727

M18-39

13727

25K→30K

15.5 - 18.6 mi

Top 76%
×9
+181ft-148ft

Overall

22120

Males

13206

M18-39

13206

30K→20M

18.6 - 20.0 mi

Top 78%
×5
+64ft-50ft

Overall

22501

Males

13306

M18-39

13306

20M→21M

20.0 - 21.0 mi

Top 73%
×8
+106ft-24ft

Overall

21264

Males

12675

M18-39

12675

21M→35K

21.0 - 21.8 mi

Top 71%
×7
+17ft-86ft

Overall

20643

Males

12314

M18-39

12314

35K→23M

21.8 - 23.0 mi

Top 76%
×5
+23ft-63ft

Overall

22170

Males

12998

M18-39

12998

23M→24M

23.0 - 24.0 mi

Top 79%
×6
+12ft-82ft

Overall

22888

Males

13312

M18-39

13312

24M→40K

24.0 - 24.9 mi

Top 79%
×1
+6ft-20ft

Overall

22973

Males

13291

M18-39

13291

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1
+13ft-16ft

Overall

22861

Males

13245

M18-39

13245

25.2M→FINISH

25.2 - 26.2 mi

Top 87%
×2
+22ft-21ft

Overall

25194

Males

14364

M18-39

14364

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1516*
Passed By
1544
Net Change
-155
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22204
5K → 10K547*136+411#22204#21793
10K → 15K118200-126#21793#21919
15K → 20K169183-14#21919#21933
20K → HALF1952-33#21933#21966
HALF → 25K76200-207#21966#22173
25K → 30K170166+4#22173#22169
30K → 20M62116-54#22169#22223
20M → 21M10739+68#22223#22155
21M → 35K8716+71#22155#22084
35K → 23M75102-27#22084#22111
23M → 24M3785-48#22111#22159
24M → 40K2776-49#22159#22208
40K → 25.2M1434-20#22208#22228
25.2M → FINISH8139-131#22228#22359
TOTALS1516*1544-155

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

Upload your GPX file to see detailed activity metrics

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export & Support

Download your data, get help, and share your feedback

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing