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BOSTON MARATHON 2025

Jason Purser

Bib: 12098•M

NC

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 30%
Gender (Male)
#0 / 16105
Top 43%
Masters (Masters Men)
#0 / 10463
Top 30%
Division (M45-49)
#0 / 2386
Top 44%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:23
Rank: #9485
Start → 5K
22:23 | 7:12/mi
10K· 6.21 mi
44:59
Rank: #9790 (-305)
5K → 10K
22:36 | 7:16/mi
15K· 9.32 mi
1:07:14
Rank: #9423 (+367)
10K → 15K
22:15 | 7:10/mi
20K· 12.43 mi
1:29:38
Rank: #9103 (+320)
15K → 20K
22:24 | 7:13/mi
Half· 13.11 mi
1:34:31
Rank: #9076 (+27)
20K → Half
4:53 | 7:09/mi
25K· 15.53 mi
1:52:12
Rank: #8881 (+195)
Half → 25K
17:41 | 7:18/mi
30K· 18.64 mi
2:15:39
Rank: #8645 (+236)
25K → 30K
23:27 | 7:33/mi
20M
2:26:15
Rank: #8630 (+15)
30K → 20M
10:36 | 7:48/mi
21M
2:34:21
Rank: #8550 (+80)
20M → 21M
8:06 | 8:06/mi
35K· 21.75 mi
2:39:59
Rank: #8531 (+19)
21M → 35K
5:38 | 7:32/mi
23M
2:49:41
Rank: #8438 (+93)
35K → 23M
9:42 | 7:45/mi
24M
2:57:13
Rank: #8364 (+74)
23M → 24M
7:32 | 7:32/mi
40K· 24.85 mi
3:03:58
Rank: #8375 (-11)
24M → 40K
6:45 | 7:54/mi
25.2M
3:06:56
Rank: #8377 (-2)
40K → 25.2M
2:58 | 8:36/mi
Finish· 26.22 mi
3:14:34
Rank: #8401 (-24)
25.2M → Finish
7:38 | 7:29/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:31
Pace7:13 /mi
2nd Half
Distance13.11 mi
Time1:40:03
Pace7:38 /mi
📊Positive Split: 5.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:3322:237:1222:23
7:12
-
10K
6.21 mi11:13:0944:597:1422:36
7:16
+0:04
15K
9.32 mi11:35:241:07:147:1322:15
7:10
-0:06
20K
12.43 mi11:57:481:29:387:1322:24
7:13
+0:03
Half
13.11 mi12:02:411:34:317:134:53
7:09
-0:04
25K
15.53 mi12:20:221:52:127:1317:41
7:18
+0:09
30K
18.64 mi12:43:492:15:397:1723:27
7:33
+0:15
20M
20.00 mi12:54:252:26:157:1910:36
7:48
+0:15
21M
21.00 mi13:02:312:34:217:218:06
8:06
+0:18
35K
21.75 mi13:08:092:39:597:215:38
7:32
-0:34
23M
23.00 mi13:17:512:49:417:239:42
7:45
+0:13
24M
24.00 mi13:25:232:57:137:237:32
7:32
-0:13
40K
24.85 mi13:32:083:03:587:246:45
7:54
+0:22
25.2M
25.20 mi13:35:063:06:567:252:58
8:36
+0:42
Finish
26.22 mi13:42:443:14:347:267:38
7:29
-1:07

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

7:09 /mi

Average Pace

7:26 /mi

Slowest Pace

8:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:52:12

58% of race

Time at Steady Pace

44:15

23% of race

Time at Slower Pace

38:07

20% of race

Average Pace: 7:25 /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 mi10:50:3322:237:1222:23
7:12
#9485
10K
6.21 mi11:13:0944:597:1422:36
7:16
#9790
15K
9.32 mi11:35:241:07:147:1322:15
7:10
#9423
20K
12.43 mi11:57:481:29:387:1322:24
7:13
#9103
Half
13.11 mi12:02:411:34:317:134:53
7:09
#9076
25K
15.53 mi12:20:221:52:127:1317:41
7:18
#8881
30K
18.64 mi12:43:492:15:397:1723:27
7:33
#8645
20M
20.00 mi12:54:252:26:157:1910:36
7:48
#8630
21M
21.00 mi13:02:312:34:217:218:06
8:06
#8550
35K
21.75 mi13:08:092:39:597:215:38
7:32
#8531
23M
23.00 mi13:17:512:49:417:239:42
7:45
#8438
24M
24.00 mi13:25:232:57:137:237:32
7:32
#8364
40K
24.85 mi13:32:083:03:587:246:45
7:54
#8375
25.2M
25.20 mi13:35:063:06:567:252:58
8:36
#8377
Finish
26.22 mi13:42:443:14:347:267:38
7:29
#8401
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi9485787878788781(Top 31%)7421(Top 46%)7421(Top 311%)
10K6.21 mi3.10 mi9790-3058058-1808058-18010121(Top 36%)8210(Top 51%)8210(Top 344%)
15K9.32 mi3.11 mi9423+3677831+2277831+2278781(Top 31%)7421(Top 46%)7421(Top 311%)
20K12.43 mi3.11 mi9103+3207620+2117620+2118284(Top 29%)7038(Top 44%)7038(Top 295%)
Half13.11 mi0.68 mi9076+277606+147606+148690(Top 31%)7302(Top 45%)7302(Top 306%)
25K15.53 mi2.42 mi8881+1957461+1457461+1458313(Top 29%)6948(Top 43%)6948(Top 291%)
30K18.64 mi3.11 mi8645+2367268+1937268+1938079(Top 28%)6636(Top 41%)6636(Top 278%)
20M20.00 mi1.36 mi8630+157218+507218+509007(Top 32%)6994(Top 43%)6994(Top 293%)
21M21.00 mi1.00 mi8550+807142+767142+767941(Top 28%)6223(Top 39%)6223(Top 261%)
35K21.75 mi0.75 mi8531+197109+337109+338808(Top 31%)6739(Top 42%)6739(Top 282%)
23M23.00 mi1.25 mi8438+937008+1017008+1018195(Top 29%)6279(Top 39%)6279(Top 263%)
24M24.00 mi1.00 mi8364+746933+756933+757924(Top 28%)6068(Top 38%)6068(Top 254%)
40K24.85 mi0.85 mi8375-116905+286905+289397(Top 33%)6737(Top 42%)6737(Top 282%)
25.2M25.20 mi0.35 mi8377-26888+176888+179349(Top 33%)6601(Top 41%)6601(Top 277%)
Finish26.22 mi1.02 mi8401-246873+156873+159095(Top 32%)6489(Top 40%)6489(Top 272%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21stories
+97ft-345ft

Overall

8781

Males

7421

M45-49

7421

5K→10K

3.1 - 6.2 mi

Top 36%
×5stories
+79ft-138ft

Overall

10121

Males

8210

M45-49

8210

10K→15K

6.2 - 9.3 mi

Top 31%
×3stories
+67ft-78ft

Overall

8781

Males

7421

M45-49

7421

15K→20K

9.3 - 12.4 mi

Top 29%
×5stories
+106ft-86ft

Overall

8284

Males

7038

M45-49

7038

20K→Half

12.4 - 13.1 mi

Top 31%
×2stories
+19ft-37ft

Overall

8690

Males

7302

M45-49

7302

Half→25K

13.1 - 15.5 mi

Top 29%
×4stories
+66ft-88ft

Overall

8313

Males

6948

M45-49

6948

25K→30K

15.5 - 18.6 mi

Top 28%
×9stories
+181ft-148ft

Overall

8079

Males

6636

M45-49

6636

30K→20M

18.6 - 20.0 mi

Top 32%
×5stories
+64ft-50ft

Overall

9007

Males

6994

M45-49

6994

20M→21M

20.0 - 21.0 mi

Top 28%
×8stories
+106ft-24ft

Overall

7941

Males

6223

M45-49

6223

21M→35K

21.0 - 21.8 mi

Top 31%
×7stories
+17ft-86ft

Overall

8808

Males

6739

M45-49

6739

35K→23M

21.8 - 23.0 mi

Top 29%
×5stories
+23ft-63ft

Overall

8195

Males

6279

M45-49

6279

23M→24M

23.0 - 24.0 mi

Top 28%
×6stories
+12ft-82ft

Overall

7924

Males

6068

M45-49

6068

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

9397

Males

6737

M45-49

6737

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

9349

Males

6601

M45-49

6601

25.2M→Finish

25.2 - 26.2 mi

Top 32%
×2stories
+22ft-21ft

Overall

9095

Males

6489

M45-49

6489

Passing Analysis

Category:
Athletes Passed
2252
Passed By
1167
Net Change
+1084
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9485
5K → 10K126430-305#9485#9790
10K → 15K39932+367#9790#9423
15K → 20K35737+320#9423#9103
20K → Half4821+27#9103#9076
Half → 25K25358+195#9076#8881
25K → 30K33195+236#8881#8645
30K → 20M10489+15#8645#8630
20M → 21M12949+80#8630#8550
21M → 35K6950+19#8550#8531
35K → 23M15461+93#8531#8438
23M → 24M11238+74#8438#8364
24M → 40K7586-11#8364#8375
40K → 25.2M3739-2#8375#8377
25.2M → Finish5882-24#8377#8401
TOTALS22521167+1084
📊

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