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BOSTON MARATHON 2025

Tyler Gonnsen

Bib: 6642•M

FL

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

Start
0:00:00
Race begins
5K· 3.11 mi
22:49
Rank: #10805
Start → 5K
22:49 | 7:21/mi
10K· 6.21 mi
46:17
Rank: #11682 (-877)
5K → 10K
23:28 | 7:33/mi
15K· 9.32 mi
1:10:14
Rank: #12289 (-607)
10K → 15K
23:57 | 7:43/mi
20K· 12.43 mi
1:34:44
Rank: #12690 (-401)
15K → 20K
24:30 | 7:53/mi
Half· 13.11 mi
1:39:58
Rank: #12704 (-14)
20K → Half
5:14 | 7:40/mi
25K· 15.53 mi
1:59:09
Rank: #12757 (-53)
Half → 25K
19:11 | 7:55/mi
30K· 18.64 mi
2:30:22
Rank: #15260 (-2503)
25K → 30K
31:13 | 10:03/mi
20M
2:50:25
Rank: #17913 (-2653)
30K → 20M
20:03 | 14:45/mi
21M
3:06:58
Rank: #19723 (-1810)
20M → 21M
16:33 | 16:33/mi
35K· 21.75 mi
3:18:27
Rank: #20685 (-962)
21M → 35K
11:29 | 15:21/mi
23M
3:39:39
Rank: #22129 (-1444)
35K → 23M
21:12 | 16:56/mi
24M
3:56:29
Rank: #22957 (-828)
23M → 24M
16:50 | 16:50/mi
40K· 24.85 mi
4:11:00
Rank: #23577 (-620)
24M → 40K
14:31 | 16:59/mi
25.2M
4:17:00
Rank: #23746 (-169)
40K → 25.2M
6:00 | 17:24/mi
Finish· 26.22 mi
4:32:12
Rank: #24205 (-459)
25.2M → Finish
15:12 | 14:55/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:58
Pace7:38 /mi
2nd Half
Distance13.11 mi
Time2:52:14
Pace13:08 /mi
📊Positive Split: 72.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:31:4722:497:2122:49
7:21
-
10K
6.21 mi10:55:1546:177:2723:28
7:33
+0:12
15K
9.32 mi11:19:121:10:147:3223:57
7:43
+0:10
20K
12.43 mi11:43:421:34:447:3724:30
7:53
+0:10
Half
13.11 mi11:48:561:39:587:385:14
7:40
-0:13
25K
15.53 mi12:08:071:59:097:4019:11
7:55
+0:15
30K
18.64 mi12:39:202:30:228:0431:13
10:03
+2:08
20M
20.00 mi12:59:232:50:258:3120:03
14:45
+4:42
21M
21.00 mi13:15:563:06:588:5416:33
16:33
+1:48
35K
21.75 mi13:27:253:18:279:0711:29
15:21
-1:12
23M
23.00 mi13:48:373:39:399:3321:12
16:56
+1:35
24M
24.00 mi14:05:273:56:299:5116:50
16:50
-0:06
40K
24.85 mi14:19:584:11:0010:0614:31
16:59
+0:09
25.2M
25.20 mi14:25:584:17:0010:126:00
17:24
+0:25
Finish
26.22 mi14:41:104:32:1210:2315:12
14:55
-2:29

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

7:21 /mi

Average Pace

10:23 /mi

Slowest Pace

17:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:30:22

55% of race

Time at Steady Pace

1:20:07

29% of race

Time at Slower Pace

41:43

15% of race

Average Pace: 10:23 /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 mi10:31:4722:497:2122:49
7:21
#10805
10K
6.21 mi10:55:1546:177:2723:28
7:33
#11682
15K
9.32 mi11:19:121:10:147:3223:57
7:43
#12289
20K
12.43 mi11:43:421:34:447:3724:30
7:53
#12690
Half
13.11 mi11:48:561:39:587:385:14
7:40
#12704
25K
15.53 mi12:08:071:59:097:4019:11
7:55
#12757
30K
18.64 mi12:39:202:30:228:0431:13
10:03
#15260
20M
20.00 mi12:59:232:50:258:3120:03
14:45
#17913
21M
21.00 mi13:15:563:06:588:5416:33
16:33
#19723
35K
21.75 mi13:27:253:18:279:0711:29
15:21
#20685
23M
23.00 mi13:48:373:39:399:3321:12
16:56
#22129
24M
24.00 mi14:05:273:56:299:5116:50
16:50
#22957
40K
24.85 mi14:19:584:11:0010:0614:31
16:59
#23577
25.2M
25.20 mi14:25:584:17:0010:126:00
17:24
#23746
Finish
26.22 mi14:41:104:32:1210:2315:12
14:55
#24205
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi108058596859613587(Top 48%)9773(Top 61%)9773(Top 173%)
10K6.21 mi3.10 mi11682-8779014-4189014-41812593(Top 44%)9422(Top 59%)9422(Top 167%)
15K9.32 mi3.11 mi12289-6079260-2469260-24613587(Top 48%)9773(Top 61%)9773(Top 173%)
20K12.43 mi3.11 mi12690-4019393-1339393-13313967(Top 49%)9853(Top 61%)9853(Top 175%)
Half13.11 mi0.68 mi12704-149390+39390+313164(Top 46%)9563(Top 59%)9563(Top 169%)
25K15.53 mi2.42 mi12757-539383+79383+713189(Top 46%)9390(Top 58%)9390(Top 166%)
30K18.64 mi3.11 mi15260-250310412-102910412-102921729(Top 76%)13044(Top 81%)13044(Top 231%)
20M20.00 mi1.36 mi17913-265311491-107911491-107927765(Top 98%)15744(Top 98%)15744(Top 279%)
21M21.00 mi1.00 mi19723-181012252-76112252-76128030(Top 99%)15885(Top 99%)15885(Top 282%)
35K21.75 mi0.75 mi20685-96212666-41412666-41428133(Top 99%)15934(Top 99%)15934(Top 282%)
23M23.00 mi1.25 mi22129-144413279-61313279-61328269(Top 100%)16013(Top 99%)16013(Top 284%)
24M24.00 mi1.00 mi22957-82813632-35313632-35328301(Top 100%)16034(Top 100%)16034(Top 284%)
40K24.85 mi0.85 mi23577-62013911-27913911-27928238(Top 99%)15989(Top 99%)15989(Top 283%)
25.2M25.20 mi0.35 mi23746-16913992-8113992-8128130(Top 99%)15906(Top 99%)15906(Top 282%)
Finish26.22 mi1.02 mi24205-45914199-20714199-20728233(Top 99%)15990(Top 99%)15990(Top 283%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
×21stories
+97ft-345ft

Overall

13587

Males

9773

M18-39

9773

5K→10K

3.1 - 6.2 mi

Top 44%
×5stories
+79ft-138ft

Overall

12593

Males

9422

M18-39

9422

10K→15K

6.2 - 9.3 mi

Top 48%
×3stories
+67ft-78ft

Overall

13587

Males

9773

M18-39

9773

15K→20K

9.3 - 12.4 mi

Top 49%
×5stories
+106ft-86ft

Overall

13967

Males

9853

M18-39

9853

20K→Half

12.4 - 13.1 mi

Top 46%
×2stories
+19ft-37ft

Overall

13164

Males

9563

M18-39

9563

Half→25K

13.1 - 15.5 mi

Top 46%
×4stories
+66ft-88ft

Overall

13189

Males

9390

M18-39

9390

25K→30K

15.5 - 18.6 mi

Top 76%
×9stories
+181ft-148ft

Overall

21729

Males

13044

M18-39

13044

30K→20M

18.6 - 20.0 mi

Top 98%
×5stories
+64ft-50ft

Overall

27765

Males

15744

M18-39

15744

20M→21M

20.0 - 21.0 mi

Top 99%
×8stories
+106ft-24ft

Overall

28030

Males

15885

M18-39

15885

21M→35K

21.0 - 21.8 mi

Top 99%
×7stories
+17ft-86ft

Overall

28133

Males

15934

M18-39

15934

35K→23M

21.8 - 23.0 mi

Top 100%
×5stories
+23ft-63ft

Overall

28269

Males

16013

M18-39

16013

23M→24M

23.0 - 24.0 mi

Top 100%
×6stories
+12ft-82ft

Overall

28301

Males

16034

M18-39

16034

24M→40K

24.0 - 24.9 mi

Top 99%
×1story
+6ft-20ft

Overall

28238

Males

15989

M18-39

15989

40K→25.2M

24.9 - 25.2 mi

Top 99%
×1story
+13ft-16ft

Overall

28130

Males

15906

M18-39

15906

25.2M→Finish

25.2 - 26.2 mi

Top 99%
×2stories
+22ft-21ft

Overall

28233

Males

15990

M18-39

15990

Passing Analysis

Category:
Athletes Passed
402
Passed By
13802
Net Change
-13400
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10805
5K → 10K47924-877#10805#11682
10K → 15K54661-607#11682#12289
15K → 20K91492-401#12289#12690
20K → Half2438-14#12690#12704
Half → 25K144197-53#12704#12757
25K → 30K172520-2503#12757#15260
30K → 20M32656-2653#15260#17913
20M → 21M41814-1810#17913#19723
21M → 35K2964-962#19723#20685
35K → 23M81452-1444#20685#22129
23M → 24M4832-828#22129#22957
24M → 40K1621-620#22957#23577
40K → 25.2M1170-169#23577#23746
25.2M → Finish2461-459#23746#24205
TOTALS40213802-13400
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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