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BOSTON MARATHON 2026

Tyler Callahan

Bib: 27137•M

MA

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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
25:57
3.11 mi
Rank: #19205
Start → 5K
25:57 | 8:22/mi
10K
52:51
6.21 mi
Rank: #20191 (-986)
5K → 10K
26:54 | 8:40/mi
15K
1:19:41
9.32 mi
Rank: #20406 (-215)
10K → 15K
26:50 | 8:39/mi
20K
1:46:38
12.43 mi
Rank: #20360 (+46)
15K → 20K
26:57 | 8:41/mi
HALF
1:52:32
13.11 mi
Rank: #20410 (-50)
20K → HALF
5:54 | 8:40/mi
25K
2:14:36
15.53 mi
Rank: #20642 (-232)
HALF → 25K
22:04 | 9:06/mi
30K
2:48:15
18.64 mi
Rank: #21878 (-1236)
25K → 30K
33:39 | 10:50/mi
20M
3:02:57
20.00 mi
Rank: #22190 (-312)
30K → 20M
14:42 | 10:50/mi
21M
3:13:52
21.00 mi
Rank: #22267 (-77)
20M → 21M
10:55 | 10:55/mi
35K
3:22:31
21.75 mi
Rank: #22506 (-239)
21M → 35K
8:39 | 11:34/mi
23M
3:35:25
23.00 mi
Rank: #22530 (-24)
35K → 23M
12:54 | 10:19/mi
24M
3:45:14
24.00 mi
Rank: #22524 (+6)
23M → 24M
9:49 | 9:49/mi
40K
3:53:55
24.85 mi
Rank: #22505 (+19)
24M → 40K
8:41 | 10:10/mi
25.2M
3:57:59
25.20 mi
Rank: #22534 (-29)
40K → 25.2M
4:04 | 11:48/mi
FINISH
4:08:11
26.22 mi
Rank: #22595 (-61)
25.2M → FINISH
10:12 | 10:01/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:52:32
Pace8:36 /mi
2nd Half
Distance13.11 mi
Time2:15:39
Pace10:21 /mi
📊Positive Split: 20.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:3225:578:2225:57
8:22
-
10K
6.21 mi12:14:2652:518:3126:54
8:40
+0:18
15K
9.32 mi12:41:161:19:418:3326:50
8:39
-0:01
20K
12.43 mi13:08:131:46:388:3526:57
8:41
+0:02
HALF
13.11 mi13:14:071:52:328:365:54
8:40
-0:01
25K
15.53 mi13:36:112:14:368:4022:04
9:06
+0:26
30K
18.64 mi14:09:502:48:159:0233:39
10:50
+1:44
20M
20.00 mi14:24:323:02:579:0914:42
10:50
0:00
21M
21.00 mi14:35:273:13:529:1410:55
10:55
+0:05
35K
21.75 mi14:44:063:22:319:198:39
11:34
+0:39
23M
23.00 mi14:57:003:35:259:2212:54
10:19
-1:15
24M
24.00 mi15:06:493:45:149:249:49
9:49
-0:30
40K
24.85 mi15:15:303:53:559:258:41
10:10
+0:21
25.2M
25.20 mi15:19:343:57:599:274:04
11:48
+1:38
FINISH
26.22 mi15:29:464:08:119:2910:12
10:01
-1:47

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

8:22 /mi

Average Pace

9:28 /mi

Slowest Pace

11:48 /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

2:14:36

54% of race

Time at Steady Pace

41:36

17% of race

Time at Slower Pace

1:11:59

29% of race

Average Pace: 9:28 /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 mi11:47:3225:578:2225:57
8:22
#19205
10K
6.21 mi12:14:2652:518:3126:54
8:40
#20191
15K
9.32 mi12:41:161:19:418:3326:50
8:39
#20406
20K
12.43 mi13:08:131:46:388:3526:57
8:41
#20360
HALF
13.11 mi13:14:071:52:328:365:54
8:40
#20410
25K
15.53 mi13:36:112:14:368:4022:04
9:06
#20642
30K
18.64 mi14:09:502:48:159:0233:39
10:50
#21878
20M
20.00 mi14:24:323:02:579:0914:42
10:50
#22190
21M
21.00 mi14:35:273:13:529:1410:55
10:55
#22267
35K
21.75 mi14:44:063:22:319:198:39
11:34
#22506
23M
23.00 mi14:57:003:35:259:2212:54
10:19
#22530
24M
24.00 mi15:06:493:45:149:249:49
9:49
#22524
40K
24.85 mi15:15:303:53:559:258:41
10:10
#22505
25.2M
25.20 mi15:19:343:57:599:274:04
11:48
#22534
FINISH
26.22 mi15:29:464:08:119:2910:12
10:01
#22595
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 mi19205119281192820860(Top 72%)12735(Top 78%)12735(Top 223%)
10K6.21 mi3.10 mi20191-98612395-46712395-46721210(Top 73%)12881(Top 79%)12881(Top 225%)
15K9.32 mi3.11 mi20406-21512502-10712502-10720860(Top 72%)12735(Top 78%)12735(Top 223%)
20K12.43 mi3.11 mi20360+4612461+4112461+4120302(Top 70%)12432(Top 76%)12432(Top 217%)
HALF13.11 mi0.68 mi20410-5012484-2312484-2321106(Top 73%)12853(Top 79%)12853(Top 225%)
25K15.53 mi2.42 mi20642-23212579-9512579-9521616(Top 74%)13048(Top 80%)13048(Top 228%)
30K18.64 mi3.11 mi21878-123613168-58913168-58925005(Top 86%)14535(Top 89%)14535(Top 254%)
20M20.00 mi1.36 mi22190-31213309-14113309-14124542(Top 85%)14238(Top 87%)14238(Top 249%)
21M21.00 mi1.00 mi22267-7713331-2213331-2222906(Top 79%)13451(Top 82%)13451(Top 235%)
35K21.75 mi0.75 mi22506-23913432-10113432-10126142(Top 90%)14936(Top 91%)14936(Top 261%)
23M23.00 mi1.25 mi22530-2413419+1313419+1322919(Top 79%)13359(Top 82%)13359(Top 233%)
24M24.00 mi1.00 mi22524+613401+1813401+1822284(Top 77%)13026(Top 80%)13026(Top 228%)
40K24.85 mi0.85 mi22505+1913372+2913372+2922344(Top 77%)12991(Top 80%)12991(Top 227%)
25.2M25.20 mi0.35 mi22534-2913382-1013382-1024045(Top 83%)13784(Top 84%)13784(Top 241%)
FINISH26.22 mi1.02 mi22595-6113404-2213404-2223858(Top 82%)13722(Top 84%)13722(Top 240%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21
+97ft-345ft

Overall

20860

Males

12735

M18-39

12735

5K→10K

3.1 - 6.2 mi

Top 73%
×5
+79ft-138ft

Overall

21210

Males

12881

M18-39

12881

10K→15K

6.2 - 9.3 mi

Top 72%
×3
+67ft-78ft

Overall

20860

Males

12735

M18-39

12735

15K→20K

9.3 - 12.4 mi

Top 70%
×5
+106ft-86ft

Overall

20302

Males

12432

M18-39

12432

20K→HALF

12.4 - 13.1 mi

Top 73%
×2
+19ft-37ft

Overall

21106

Males

12853

M18-39

12853

HALF→25K

13.1 - 15.5 mi

Top 74%
×4
+66ft-88ft

Overall

21616

Males

13048

M18-39

13048

25K→30K

15.5 - 18.6 mi

Top 86%
×9
+181ft-148ft

Overall

25005

Males

14535

M18-39

14535

30K→20M

18.6 - 20.0 mi

Top 85%
×5
+64ft-50ft

Overall

24542

Males

14238

M18-39

14238

20M→21M

20.0 - 21.0 mi

Top 79%
×8
+106ft-24ft

Overall

22906

Males

13451

M18-39

13451

21M→35K

21.0 - 21.8 mi

Top 90%
×7
+17ft-86ft

Overall

26142

Males

14936

M18-39

14936

35K→23M

21.8 - 23.0 mi

Top 79%
×5
+23ft-63ft

Overall

22919

Males

13359

M18-39

13359

23M→24M

23.0 - 24.0 mi

Top 77%
×6
+12ft-82ft

Overall

22284

Males

13026

M18-39

13026

24M→40K

24.0 - 24.9 mi

Top 77%
×1
+6ft-20ft

Overall

22344

Males

12991

M18-39

12991

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1
+13ft-16ft

Overall

24045

Males

13784

M18-39

13784

25.2M→FINISH

25.2 - 26.2 mi

Top 82%
×2
+22ft-21ft

Overall

23858

Males

13722

M18-39

13722

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
750
Passed By
1836
Net Change
-3390
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19205
5K → 10K48200-986#19205#20191
10K → 15K113200-215#20191#20406
15K → 20K183137+46#20406#20360
20K → HALF1464-50#20360#20410
HALF → 25K74200-232#20410#20642
25K → 30K14200-1236#20642#21878
30K → 20M25200-312#21878#22190
20M → 21M54131-77#22190#22267
21M → 35K10200-239#22267#22506
35K → 23M7195-24#22506#22530
23M → 24M5549+6#22530#22524
24M → 40K5738+19#22524#22505
40K → 25.2M1443-29#22505#22534
25.2M → FINISH1879-61#22534#22595
TOTALS7501836-3390
📊

Passing Analysis Visualizations

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

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing