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BOSTON MARATHON 2025

Stephen Flynn

Bib: 28022•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 37%
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
25:19
Rank: #17708
Start → 5K
25:19 | 8:09/mi
10K· 6.21 mi
48:36
Rank: #14944 (+2764)
5K → 10K
23:17 | 7:30/mi
15K· 9.32 mi
1:11:31
Rank: #13506 (+1438)
10K → 15K
22:55 | 7:23/mi
20K· 12.43 mi
1:34:38
Rank: #12606 (+900)
15K → 20K
23:07 | 7:26/mi
Half· 13.11 mi
1:39:42
Rank: #12538 (+68)
20K → Half
5:04 | 7:26/mi
25K· 15.53 mi
1:57:48
Rank: #12026 (+512)
Half → 25K
18:06 | 7:28/mi
30K· 18.64 mi
2:21:51
Rank: #11497 (+529)
25K → 30K
24:03 | 7:44/mi
20M
2:32:20
Rank: #11224 (+273)
30K → 20M
10:29 | 7:43/mi
21M
2:40:19
Rank: #10941 (+283)
20M → 21M
7:59 | 7:59/mi
35K· 21.75 mi
2:46:02
Rank: #10868 (+73)
21M → 35K
5:43 | 7:38/mi
23M
2:55:53
Rank: #10717 (+151)
35K → 23M
9:51 | 7:52/mi
24M
3:03:50
Rank: #10694 (+23)
23M → 24M
7:57 | 7:57/mi
40K· 24.85 mi
3:10:50
Rank: #10695 (-1)
24M → 40K
7:00 | 8:11/mi
25.2M
3:13:54
Rank: #10683 (+12)
40K → 25.2M
3:04 | 8:54/mi
Finish· 26.22 mi
3:21:38
Rank: #10626 (+57)
25.2M → Finish
7:44 | 7:35/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:42
Pace7:36 /mi
2nd Half
Distance13.11 mi
Time1:41:56
Pace7:47 /mi
📊Positive Split: 2.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:4325:198:0925:19
8:09
-
10K
6.21 mi12:11:0048:367:4923:17
7:30
-0:39
15K
9.32 mi12:33:551:11:317:4022:55
7:23
-0:07
20K
12.43 mi12:57:021:34:387:3723:07
7:26
+0:03
Half
13.11 mi13:02:061:39:427:365:04
7:26
0:00
25K
15.53 mi13:20:121:57:487:3518:06
7:28
+0:02
30K
18.64 mi13:44:152:21:517:3724:03
7:44
+0:16
20M
20.00 mi13:54:442:32:207:3710:29
7:43
-0:01
21M
21.00 mi14:02:432:40:197:387:59
7:59
+0:16
35K
21.75 mi14:08:262:46:027:385:43
7:38
-0:21
23M
23.00 mi14:18:172:55:537:399:51
7:52
+0:14
24M
24.00 mi14:26:143:03:507:407:57
7:57
+0:05
40K
24.85 mi14:33:143:10:507:417:00
8:11
+0:14
25.2M
25.20 mi14:36:183:13:547:423:04
8:54
+0:43
Finish
26.22 mi14:44:023:21:387:427:44
7:35
-1:19

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

7:23 /mi

Average Pace

7:42 /mi

Slowest Pace

8:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:32:29

46% of race

Time at Steady Pace

57:50

29% of race

Time at Slower Pace

51:19

25% of race

Average Pace: 7:41 /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 mi11:47:4325:198:0925:19
8:09
#17708
10K
6.21 mi12:11:0048:367:4923:17
7:30
#14944
15K
9.32 mi12:33:551:11:317:4022:55
7:23
#13506
20K
12.43 mi12:57:021:34:387:3723:07
7:26
#12606
Half
13.11 mi13:02:061:39:427:365:04
7:26
#12538
25K
15.53 mi13:20:121:57:487:3518:06
7:28
#12026
30K
18.64 mi13:44:152:21:517:3724:03
7:44
#11497
20M
20.00 mi13:54:442:32:207:3710:29
7:43
#11224
21M
21.00 mi14:02:432:40:197:387:59
7:59
#10941
35K
21.75 mi14:08:262:46:027:385:43
7:38
#10868
23M
23.00 mi14:18:172:55:537:399:51
7:52
#10717
24M
24.00 mi14:26:143:03:507:407:57
7:57
#10694
40K
24.85 mi14:33:143:10:507:417:00
8:11
#10695
25.2M
25.20 mi14:36:183:13:547:423:04
8:54
#10683
Finish
26.22 mi14:44:023:21:387:427:44
7:35
#10626
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi17708114921149210640(Top 37%)8418(Top 52%)8418(Top 149%)
10K6.21 mi3.10 mi14944+276410381+111110381+111112029(Top 42%)9161(Top 57%)9161(Top 162%)
15K9.32 mi3.11 mi13506+14389774+6079774+60710640(Top 37%)8418(Top 52%)8418(Top 149%)
20K12.43 mi3.11 mi12606+9009359+4159359+41510244(Top 36%)8135(Top 51%)8135(Top 144%)
Half13.11 mi0.68 mi12538+689332+279332+2711050(Top 39%)8566(Top 53%)8566(Top 152%)
25K15.53 mi2.42 mi12026+5129059+2739059+2739679(Top 34%)7690(Top 48%)7690(Top 136%)
30K18.64 mi3.11 mi11497+5298736+3238736+3239486(Top 33%)7424(Top 46%)7424(Top 132%)
20M20.00 mi1.36 mi11224+2738570+1668570+1668453(Top 30%)6708(Top 42%)6708(Top 119%)
21M21.00 mi1.00 mi10941+2838396+1748396+1747266(Top 26%)5840(Top 36%)5840(Top 104%)
35K21.75 mi0.75 mi10868+738334+628334+629619(Top 34%)7173(Top 45%)7173(Top 127%)
23M23.00 mi1.25 mi10717+1518220+1148220+1149045(Top 32%)6745(Top 42%)6745(Top 120%)
24M24.00 mi1.00 mi10694+238172+488172+4810865(Top 38%)7601(Top 47%)7601(Top 135%)
40K24.85 mi0.85 mi10695-18143+298143+2911445(Top 40%)7780(Top 48%)7780(Top 138%)
25.2M25.20 mi0.35 mi10683+128129+148129+1411134(Top 39%)7540(Top 47%)7540(Top 134%)
Finish26.22 mi1.02 mi10626+578066+638066+639831(Top 35%)6892(Top 43%)6892(Top 122%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21stories
+97ft-345ft

Overall

10640

Males

8418

M18-39

8418

5K→10K

3.1 - 6.2 mi

Top 42%
×5stories
+79ft-138ft

Overall

12029

Males

9161

M18-39

9161

10K→15K

6.2 - 9.3 mi

Top 37%
×3stories
+67ft-78ft

Overall

10640

Males

8418

M18-39

8418

15K→20K

9.3 - 12.4 mi

Top 36%
×5stories
+106ft-86ft

Overall

10244

Males

8135

M18-39

8135

20K→Half

12.4 - 13.1 mi

Top 39%
×2stories
+19ft-37ft

Overall

11050

Males

8566

M18-39

8566

Half→25K

13.1 - 15.5 mi

Top 34%
×4stories
+66ft-88ft

Overall

9679

Males

7690

M18-39

7690

25K→30K

15.5 - 18.6 mi

Top 33%
×9stories
+181ft-148ft

Overall

9486

Males

7424

M18-39

7424

30K→20M

18.6 - 20.0 mi

Top 30%
×5stories
+64ft-50ft

Overall

8453

Males

6708

M18-39

6708

20M→21M

20.0 - 21.0 mi

Top 26%
×8stories
+106ft-24ft

Overall

7266

Males

5840

M18-39

5840

21M→35K

21.0 - 21.8 mi

Top 34%
×7stories
+17ft-86ft

Overall

9619

Males

7173

M18-39

7173

35K→23M

21.8 - 23.0 mi

Top 32%
×5stories
+23ft-63ft

Overall

9045

Males

6745

M18-39

6745

23M→24M

23.0 - 24.0 mi

Top 38%
×6stories
+12ft-82ft

Overall

10865

Males

7601

M18-39

7601

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

11445

Males

7780

M18-39

7780

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1story
+13ft-16ft

Overall

11134

Males

7540

M18-39

7540

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×2stories
+22ft-21ft

Overall

9831

Males

6892

M18-39

6892

Passing Analysis

Category:
Athletes Passed
7396
Passed By
314
Net Change
+7082
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17708
5K → 10K27651+2764#17708#14944
10K → 15K14391+1438#14944#13506
15K → 20K9022+900#13506#12606
20K → Half735+68#12606#12538
Half → 25K5186+512#12538#12026
25K → 30K54718+529#12026#11497
30K → 20M28310+273#11497#11224
20M → 21M2907+283#11224#10941
21M → 35K9118+73#10941#10868
35K → 23M18433+151#10868#10717
23M → 24M8057+23#10717#10694
24M → 40K7677-1#10694#10695
40K → 25.2M4331+12#10695#10683
25.2M → Finish10548+57#10683#10626
TOTALS7396314+7082
📊

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