Boston Marathon logo
BOSTON MARATHON 2025

Thomas Grant

MA

Bib: 26790 M

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Gender (Male)
#0 / 16105
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
10:17/mi
31:57
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
10:08/mi
1:03:26
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
9:59/mi
1:34:26
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
10:21/mi
2:06:36
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
10:14/mi
2:13:35
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
11:27/mi
2:41:21
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
12:14/mi
3:19:21
↑ 181↓ 1480.2%
138 ft elev
20M
14:31/mi
3:39:04
↑ 64↓ 500.2%
148 ft elev
21M
13:37/mi
3:52:41
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
11:34/mi
4:01:20
↑ 17↓ 861.7%
156 ft elev
23M
11:58/mi
4:16:19
↑ 23↓ 630.6%
116 ft elev
24M
11:55/mi
4:28:14
↓ 821.3%
34 ft elev
40K· 24.85 mi
10:58/mi
4:37:37
↓ 200.3%
20 ft elev
25.2M
12:19/mi
4:41:52
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
9:27/mi
4:51:30
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Is this your race?

Claim it for a free AI report on this race

A one-of-a-kind AI Race Performance Report that reads your race like a coach. A plain-English story of how you raced, where you surged and faded, and what it all means. Emailed to you, free.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:13:35
Pace10:11 /mi
2nd Half
Distance13.11 mi
Time2:37:55
Pace12:03 /mi
📊Positive Split: 18.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:56:3231:5710:1731:57
10:17
-
10K
6.21 mi12:28:011:03:2610:1331:29
10:08
-0:09
15K
9.32 mi12:59:011:34:2610:0831:00
9:59
-0:09
20K
12.43 mi13:31:112:06:3610:1132:10
10:21
+0:22
Half
13.11 mi13:38:102:13:3510:116:59
10:14
-0:07
25K
15.53 mi14:05:562:41:2110:2327:46
11:27
+1:13
30K
18.64 mi14:43:563:19:2110:4238:00
12:14
+0:47
20M
20.00 mi15:03:393:39:0410:5719:43
14:31
+2:17
21M
21.00 mi15:17:163:52:4111:0513:37
13:37
-0:54
35K
21.75 mi15:25:554:01:2011:068:39
11:34
-2:03
23M
23.00 mi15:40:544:16:1911:0914:59
11:58
+0:24
24M
24.00 mi15:52:494:28:1411:1111:55
11:55
-0:03
40K
24.85 mi16:02:124:37:3711:109:23
10:58
-0:57
25.2M
25.20 mi16:06:274:41:5211:114:15
12:19
+1:21
Finish
26.22 mi16:16:054:51:3011:089:38
9:27
-2:52

Checkpoints & Pacing

📈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

9:27 /mi

Average Pace

11:08 /mi

Slowest Pace

14:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:23:13

49% of race

Time at Steady Pace

1:12:42

25% of race

Time at Slower Pace

1:15:35

26% of race

Average Pace: 11:07 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:56:3231:5710:1731:57
10:17
#26265
10K
6.21 mi12:28:011:03:2610:1331:29
10:08
#25930
15K
9.32 mi12:59:011:34:2610:0831:00
9:59
#25588
20K
12.43 mi13:31:112:06:3610:1132:10
10:21
#25413
Half
13.11 mi13:38:102:13:3510:116:59
10:14
#25393
25K
15.53 mi14:05:562:41:2110:2327:46
11:27
#25487
30K
18.64 mi14:43:563:19:2110:4238:00
12:14
#25585
20M
20.00 mi15:03:393:39:0410:5719:43
14:31
#25824
21M
21.00 mi15:17:163:52:4111:0513:37
13:37
#25851
35K
21.75 mi15:25:554:01:2011:068:39
11:34
#25841
23M
23.00 mi15:40:544:16:1911:0914:59
11:58
#25822
24M
24.00 mi15:52:494:28:1411:1111:55
11:55
#25814
40K
24.85 mi16:02:124:37:3711:109:23
10:58
#25743
25.2M
25.20 mi16:06:274:41:5211:114:15
12:19
#25725
Finish
26.22 mi16:16:054:51:3011:089:38
9:27
#25619
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi26265152961529624952(Top 88%)14702(Top 91%)14702(Top 261%)
10K6.21 mi3.10 mi25930+33515133+16315133+16325589(Top 90%)14950(Top 93%)14950(Top 265%)
15K9.32 mi3.11 mi25588+34214975+15814975+15824952(Top 88%)14702(Top 91%)14702(Top 261%)
20K12.43 mi3.11 mi25413+17514885+9014885+9024923(Top 88%)14645(Top 91%)14645(Top 260%)
Half13.11 mi0.68 mi25393+2014878+714878+725319(Top 89%)14812(Top 92%)14812(Top 263%)
25K15.53 mi2.42 mi25487-9414907-2914907-2925798(Top 91%)14983(Top 93%)14983(Top 266%)
30K18.64 mi3.11 mi25585-9814908-114908-125862(Top 91%)14923(Top 93%)14923(Top 264%)
20M20.00 mi1.36 mi25824-23915013-10515013-10527635(Top 97%)15680(Top 97%)15680(Top 278%)
21M21.00 mi1.00 mi25851-2715014-115014-125787(Top 91%)14780(Top 92%)14780(Top 262%)
35K21.75 mi0.75 mi25841+1015002+1215002+1225189(Top 89%)14435(Top 90%)14435(Top 256%)
23M23.00 mi1.25 mi25822+1914985+1714985+1725072(Top 88%)14369(Top 89%)14369(Top 255%)
24M24.00 mi1.00 mi25814+814968+1714968+1725573(Top 90%)14591(Top 91%)14591(Top 259%)
40K24.85 mi0.85 mi25743+7114915+5314915+5323089(Top 81%)13289(Top 83%)13289(Top 236%)
25.2M25.20 mi0.35 mi25725+1814904+1114904+1123864(Top 84%)13709(Top 85%)13709(Top 243%)
Finish26.22 mi1.02 mi25619+10614849+5514849+5521016(Top 74%)12304(Top 76%)12304(Top 218%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21story building
+97ft-345ft

Overall

24952

Males

14702

M18-39

14702

5K→10K

3.1 - 6.2 mi

Top 90%
×5story building
+79ft-138ft

Overall

25589

Males

14950

M18-39

14950

10K→15K

6.2 - 9.3 mi

Top 88%
×3story building
+67ft-78ft

Overall

24952

Males

14702

M18-39

14702

15K→20K

9.3 - 12.4 mi

Top 88%
×5story building
+106ft-86ft

Overall

24923

Males

14645

M18-39

14645

20K→Half

12.4 - 13.1 mi

Top 89%
×2story building
+19ft-37ft

Overall

25319

Males

14812

M18-39

14812

Half→25K

13.1 - 15.5 mi

Top 91%
×4story building
+66ft-88ft

Overall

25798

Males

14983

M18-39

14983

25K→30K

15.5 - 18.6 mi

Top 91%
×9story building
+181ft-148ft

Overall

25862

Males

14923

M18-39

14923

30K→20M

18.6 - 20.0 mi

Top 97%
×5story building
+64ft-50ft

Overall

27635

Males

15680

M18-39

15680

20M→21M

20.0 - 21.0 mi

Top 91%
×8story building
+106ft-24ft

Overall

25787

Males

14780

M18-39

14780

21M→35K

21.0 - 21.8 mi

Top 89%
×7story building
+17ft-86ft

Overall

25189

Males

14435

M18-39

14435

35K→23M

21.8 - 23.0 mi

Top 88%
×5story building
+23ft-63ft

Overall

25072

Males

14369

M18-39

14369

23M→24M

23.0 - 24.0 mi

Top 90%
×6story building
+12ft-82ft

Overall

25573

Males

14591

M18-39

14591

24M→40K

24.0 - 24.9 mi

Top 81%
×1story
+6ft-20ft

Overall

23089

Males

13289

M18-39

13289

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1story
+13ft-16ft

Overall

23864

Males

13709

M18-39

13709

25.2M→Finish

25.2 - 26.2 mi

Top 74%
×2story building
+22ft-21ft

Overall

21016

Males

12304

M18-39

12304

Passing Analysis

Category:
Athletes Passed
1504
Passed By
858
Net Change
+646
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26265
5K → 10K38045+335#26265#25930
10K → 15K35917+342#25930#25588
15K → 20K21540+175#25588#25413
20K → Half3212+20#25413#25393
Half → 25K67161-94#25393#25487
25K → 30K91189-98#25487#25585
30K → 20M16255-239#25585#25824
20M → 21M3158-27#25824#25851
21M → 35K3020+10#25851#25841
35K → 23M4829+19#25841#25822
23M → 24M3426+8#25822#25814
24M → 40K721+71#25814#25743
40K → 25.2M235+18#25743#25725
25.2M → Finish1060+106#25725#25619
TOTALS1504858+646
📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

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

.gpx files up to 10MB

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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing