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BOSTON MARATHON 2025

Tyler Callahan

Bib: 26027•M

MA

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

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:22/mi
22:53
↑ 97↓ 3451.5%
10K· 6.21 mi
7:33/mi
46:19
↑ 79↓ 1380.4%
15K· 9.32 mi
7:49/mi
1:10:35
↑ 67↓ 78
20K· 12.43 mi
8:00/mi
1:35:25
↑ 106↓ 860.1%
Half· 13.11 mi
7:56/mi
1:40:50
↑ 19↓ 370.5%
25K· 15.53 mi
8:43/mi
2:01:57
↑ 66↓ 880.2%
30K· 18.64 mi
9:03/mi
2:30:04
↑ 181↓ 1480.2%
20M
8:50/mi
2:42:04
↑ 64↓ 500.2%
21M
9:58/mi
2:52:02
↑ 106↓ 241.6%
35K· 21.75 mi
10:10/mi
2:59:38
↑ 17↓ 861.7%
23M
9:37/mi
3:11:40
↑ 23↓ 630.6%
24M
11:10/mi
3:22:50
↓ 821.3%
40K· 24.85 mi
8:49/mi
3:30:22
↓ 200.3%
25.2M
10:32/mi
3:34:00
↑ 13↓ 160.2%
Finish· 26.22 mi
7:52/mi
3:42:01
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:50
Pace7:41 /mi
2nd Half
Distance13.11 mi
Time2:01:11
Pace9:15 /mi
📊Positive Split: 20.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:38:1322:537:2222:53
7:22
-
10K
6.21 mi12:01:3946:197:2723:26
7:33
+0:11
15K
9.32 mi12:25:551:10:357:3424:16
7:49
+0:16
20K
12.43 mi12:50:451:35:257:4124:50
8:00
+0:11
Half
13.11 mi12:56:101:40:507:415:25
7:56
-0:04
25K
15.53 mi13:17:172:01:577:5121:07
8:43
+0:47
30K
18.64 mi13:45:242:30:048:0328:07
9:03
+0:20
20M
20.00 mi13:57:242:42:048:0612:00
8:50
-0:13
21M
21.00 mi14:07:222:52:028:129:58
9:58
+1:08
35K
21.75 mi14:14:582:59:388:167:36
10:10
+0:12
23M
23.00 mi14:27:003:11:408:2012:02
9:37
-0:33
24M
24.00 mi14:38:103:22:508:2711:10
11:10
+1:33
40K
24.85 mi14:45:423:30:228:287:32
8:49
-2:21
25.2M
25.20 mi14:49:203:34:008:303:38
10:32
+1:43
Finish
26.22 mi14:57:213:42:018:288:01
7:52
-2:40

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

7:22 /mi

Average Pace

8:28 /mi

Slowest Pace

11:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:48:51

49% of race

Time at Steady Pace

1:08:46

31% of race

Time at Slower Pace

44:24

20% of race

Average Pace: 8:28 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:38:1322:537:2222:53
7:22
#11001
10K
6.21 mi12:01:3946:197:2723:26
7:33
#11727
15K
9.32 mi12:25:551:10:357:3424:16
7:49
#12616
20K
12.43 mi12:50:451:35:257:4124:50
8:00
#13173
Half
13.11 mi12:56:101:40:507:415:25
7:56
#13282
25K
15.53 mi13:17:172:01:577:5121:07
8:43
#14314
30K
18.64 mi13:45:242:30:048:0328:07
9:03
#15134
20M
20.00 mi13:57:242:42:048:0612:00
8:50
#15167
21M
21.00 mi14:07:222:52:028:129:58
9:58
#15341
35K
21.75 mi14:14:582:59:388:167:36
10:10
#15719
23M
23.00 mi14:27:003:11:408:2012:02
9:37
#15909
24M
24.00 mi14:38:103:22:508:2711:10
11:10
#16562
40K
24.85 mi14:45:423:30:228:287:32
8:49
#16496
25.2M
25.20 mi14:49:203:34:008:303:38
10:32
#16567
Finish
26.22 mi14:57:213:42:018:288:01
7:52
#16366
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi110018697869714456(Top 51%)10131(Top 63%)10131(Top 180%)
10K6.21 mi3.10 mi11727-7269037-3409037-34012488(Top 44%)9373(Top 58%)9373(Top 166%)
15K9.32 mi3.11 mi12616-8899419-3829419-38214456(Top 51%)10131(Top 63%)10131(Top 180%)
20K12.43 mi3.11 mi13173-5579598-1799598-17914878(Top 52%)10258(Top 64%)10258(Top 182%)
Half13.11 mi0.68 mi13282-1099640-429640-4215384(Top 54%)10521(Top 65%)10521(Top 186%)
25K15.53 mi2.42 mi14314-103210047-40710047-40718428(Top 65%)11704(Top 73%)11704(Top 207%)
30K18.64 mi3.11 mi15134-82010350-30310350-30317927(Top 63%)11336(Top 70%)11336(Top 201%)
20M20.00 mi1.36 mi15167-3310328+2210328+2215826(Top 56%)10298(Top 64%)10298(Top 183%)
21M21.00 mi1.00 mi15341-17410382-5410382-5418153(Top 64%)11227(Top 70%)11227(Top 199%)
35K21.75 mi0.75 mi15719-37810507-12510507-12522301(Top 79%)13049(Top 81%)13049(Top 231%)
23M23.00 mi1.25 mi15909-19010548-4110548-4119108(Top 67%)11491(Top 71%)11491(Top 204%)
24M24.00 mi1.00 mi16562-65310824-27610824-27624312(Top 86%)13970(Top 87%)13970(Top 248%)
40K24.85 mi0.85 mi16496+6610766+5810766+5815233(Top 54%)9544(Top 59%)9544(Top 169%)
25.2M25.20 mi0.35 mi16567-7110783-1710783-1719086(Top 67%)11344(Top 70%)11344(Top 201%)
Finish26.22 mi1.02 mi16366+20110677+10610677+10611934(Top 42%)8015(Top 50%)8015(Top 142%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21story building
+97ft-345ft

Overall

14456

Males

10131

M18-39

10131

5K→10K

3.1 - 6.2 mi

Top 44%
×5story building
+79ft-138ft

Overall

12488

Males

9373

M18-39

9373

10K→15K

6.2 - 9.3 mi

Top 51%
×3story building
+67ft-78ft

Overall

14456

Males

10131

M18-39

10131

15K→20K

9.3 - 12.4 mi

Top 52%
×5story building
+106ft-86ft

Overall

14878

Males

10258

M18-39

10258

20K→Half

12.4 - 13.1 mi

Top 54%
×2story building
+19ft-37ft

Overall

15384

Males

10521

M18-39

10521

Half→25K

13.1 - 15.5 mi

Top 65%
×4story building
+66ft-88ft

Overall

18428

Males

11704

M18-39

11704

25K→30K

15.5 - 18.6 mi

Top 63%
×9story building
+181ft-148ft

Overall

17927

Males

11336

M18-39

11336

30K→20M

18.6 - 20.0 mi

Top 56%
×5story building
+64ft-50ft

Overall

15826

Males

10298

M18-39

10298

20M→21M

20.0 - 21.0 mi

Top 64%
×8story building
+106ft-24ft

Overall

18153

Males

11227

M18-39

11227

21M→35K

21.0 - 21.8 mi

Top 79%
×7story building
+17ft-86ft

Overall

22301

Males

13049

M18-39

13049

35K→23M

21.8 - 23.0 mi

Top 67%
×5story building
+23ft-63ft

Overall

19108

Males

11491

M18-39

11491

23M→24M

23.0 - 24.0 mi

Top 86%
×6story building
+12ft-82ft

Overall

24312

Males

13970

M18-39

13970

24M→40K

24.0 - 24.9 mi

Top 54%
×1story
+6ft-20ft

Overall

15233

Males

9544

M18-39

9544

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

19086

Males

11344

M18-39

11344

25.2M→Finish

25.2 - 26.2 mi

Top 42%
×2story building
+22ft-21ft

Overall

11934

Males

8015

M18-39

8015

Passing Analysis

Category:
Athletes Passed
904
Passed By
6269
Net Change
-5365
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11001
5K → 10K58784-726#11001#11727
10K → 15K36925-889#11727#12616
15K → 20K78635-557#12616#13173
20K → Half10119-109#13173#13282
Half → 25K401072-1032#13282#14314
25K → 30K79899-820#14314#15134
30K → 20M109142-33#15134#15167
20M → 21M72246-174#15167#15341
21M → 35K15393-378#15341#15719
35K → 23M65255-190#15719#15909
23M → 24M6659-653#15909#16562
24M → 40K10842+66#16562#16496
40K → 25.2M1788-71#16496#16567
25.2M → Finish21110+201#16567#16366
TOTALS9046269-5365
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing