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BOSTON MARATHON 2025

Jackson Kelley

Bib: 4133•M

NH

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 12%
Gender (Male)
#0 / 16105
Top 19%
Division (M18-39)
#0 / 5642
Top 43%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:49
Rank: #5451
Start → 5K
20:49 | 6:42/mi
10K· 6.21 mi
41:26
Rank: #5086 (+365)
5K → 10K
20:37 | 6:38/mi
15K· 9.32 mi
1:01:58
Rank: #4785 (+301)
10K → 15K
20:32 | 6:37/mi
20K· 12.43 mi
1:22:28
Rank: #4445 (+340)
15K → 20K
20:30 | 6:36/mi
Half· 13.11 mi
1:27:01
Rank: #4462 (-17)
20K → Half
4:33 | 6:40/mi
25K· 15.53 mi
1:43:08
Rank: #4287 (+175)
Half → 25K
16:07 | 6:39/mi
30K· 18.64 mi
2:04:18
Rank: #4065 (+222)
25K → 30K
21:10 | 6:49/mi
20M
2:13:39
Rank: #3982 (+83)
30K → 20M
9:21 | 6:53/mi
21M
2:20:48
Rank: #3885 (+97)
20M → 21M
7:09 | 7:09/mi
35K· 21.75 mi
2:25:46
Rank: #3841 (+44)
21M → 35K
4:58 | 6:38/mi
23M
2:34:11
Rank: #3700 (+141)
35K → 23M
8:25 | 6:43/mi
24M
2:40:45
Rank: #3592 (+108)
23M → 24M
6:34 | 6:34/mi
40K· 24.85 mi
2:46:25
Rank: #3478 (+114)
24M → 40K
5:40 | 6:38/mi
25.2M
2:48:56
Rank: #3444 (+34)
40K → 25.2M
2:31 | 7:18/mi
Finish· 26.22 mi
2:55:27
Rank: #3345 (+99)
25.2M → Finish
6:31 | 6:24/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:01
Pace6:38 /mi
2nd Half
Distance13.11 mi
Time1:28:26
Pace6:45 /mi
📊Positive Split: 1.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:5920:496:4220:49
6:42
-
10K
6.21 mi10:44:3641:266:4020:37
6:38
-0:04
15K
9.32 mi11:05:081:01:586:3920:32
6:37
-0:01
20K
12.43 mi11:25:381:22:286:3820:30
6:36
-0:01
Half
13.11 mi11:30:111:27:016:384:33
6:40
+0:04
25K
15.53 mi11:46:181:43:086:3816:07
6:39
-0:01
30K
18.64 mi12:07:282:04:186:4021:10
6:49
+0:10
20M
20.00 mi12:16:492:13:396:419:21
6:53
+0:04
21M
21.00 mi12:23:582:20:486:427:09
7:09
+0:16
35K
21.75 mi12:28:562:25:466:424:58
6:38
-0:31
23M
23.00 mi12:37:212:34:116:428:25
6:43
+0:05
24M
24.00 mi12:43:552:40:456:426:34
6:34
-0:09
40K
24.85 mi12:49:352:46:256:425:40
6:38
+0:04
25.2M
25.20 mi12:52:062:48:566:422:31
7:18
+0:40
Finish
26.22 mi12:58:372:55:276:426:31
6:24
-0:54

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

6:24 /mi

Average Pace

6:42 /mi

Slowest Pace

7:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:45:47

94% of race

Time at Steady Pace

9:40

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:41 /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 mi10:23:5920:496:4220:49
6:42
#5451
10K
6.21 mi10:44:3641:266:4020:37
6:38
#5086
15K
9.32 mi11:05:081:01:586:3920:32
6:37
#4785
20K
12.43 mi11:25:381:22:286:3820:30
6:36
#4445
Half
13.11 mi11:30:111:27:016:384:33
6:40
#4462
25K
15.53 mi11:46:181:43:086:3816:07
6:39
#4287
30K
18.64 mi12:07:282:04:186:4021:10
6:49
#4065
20M
20.00 mi12:16:492:13:396:419:21
6:53
#3982
21M
21.00 mi12:23:582:20:486:427:09
7:09
#3885
35K
21.75 mi12:28:562:25:466:424:58
6:38
#3841
23M
23.00 mi12:37:212:34:116:428:25
6:43
#3700
24M
24.00 mi12:43:552:40:456:426:34
6:34
#3592
40K
24.85 mi12:49:352:46:256:425:40
6:38
#3478
25.2M
25.20 mi12:52:062:48:566:422:31
7:18
#3444
Finish
26.22 mi12:58:372:55:276:426:31
6:24
#3345
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5451506150614301(Top 15%)4039(Top 25%)4039(Top 72%)
10K6.21 mi3.10 mi5086+3654739+3224739+3224751(Top 17%)4448(Top 28%)4448(Top 79%)
15K9.32 mi3.11 mi4785+3014475+2644475+2644301(Top 15%)4039(Top 25%)4039(Top 72%)
20K12.43 mi3.11 mi4445+3404170+3054170+3053687(Top 13%)3482(Top 22%)3482(Top 62%)
Half13.11 mi0.68 mi4462-174183-134183-135013(Top 18%)4642(Top 29%)4642(Top 82%)
25K15.53 mi2.42 mi4287+1754021+1624021+1623774(Top 13%)3539(Top 22%)3539(Top 63%)
30K18.64 mi3.11 mi4065+2223814+2073814+2073531(Top 12%)3279(Top 20%)3279(Top 58%)
20M20.00 mi1.36 mi3982+833738+763738+763397(Top 12%)3143(Top 20%)3143(Top 56%)
21M21.00 mi1.00 mi3885+973644+943644+942925(Top 10%)2711(Top 17%)2711(Top 48%)
35K21.75 mi0.75 mi3841+443601+433601+433179(Top 11%)2921(Top 18%)2921(Top 52%)
23M23.00 mi1.25 mi3700+1413472+1293472+1292368(Top 8%)2206(Top 14%)2206(Top 39%)
24M24.00 mi1.00 mi3592+1083367+1053367+1052365(Top 8%)2190(Top 14%)2190(Top 39%)
40K24.85 mi0.85 mi3478+1143260+1073260+1072101(Top 7%)1939(Top 12%)1939(Top 34%)
25.2M25.20 mi0.35 mi3444+343225+353225+352564(Top 9%)2298(Top 14%)2298(Top 41%)
Finish26.22 mi1.02 mi3345+993133+923133+922310(Top 8%)2113(Top 13%)2113(Top 37%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×21stories
+97ft-345ft

Overall

4301

Males

4039

M18-39

4039

5K→10K

3.1 - 6.2 mi

Top 17%
×5stories
+79ft-138ft

Overall

4751

Males

4448

M18-39

4448

10K→15K

6.2 - 9.3 mi

Top 15%
×3stories
+67ft-78ft

Overall

4301

Males

4039

M18-39

4039

15K→20K

9.3 - 12.4 mi

Top 13%
×5stories
+106ft-86ft

Overall

3687

Males

3482

M18-39

3482

20K→Half

12.4 - 13.1 mi

Top 18%
×2stories
+19ft-37ft

Overall

5013

Males

4642

M18-39

4642

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3774

Males

3539

M18-39

3539

25K→30K

15.5 - 18.6 mi

Top 12%
×9stories
+181ft-148ft

Overall

3531

Males

3279

M18-39

3279

30K→20M

18.6 - 20.0 mi

Top 12%
×5stories
+64ft-50ft

Overall

3397

Males

3143

M18-39

3143

20M→21M

20.0 - 21.0 mi

Top 10%
×8stories
+106ft-24ft

Overall

2925

Males

2711

M18-39

2711

21M→35K

21.0 - 21.8 mi

Top 11%
×7stories
+17ft-86ft

Overall

3179

Males

2921

M18-39

2921

35K→23M

21.8 - 23.0 mi

Top 8%
×5stories
+23ft-63ft

Overall

2368

Males

2206

M18-39

2206

23M→24M

23.0 - 24.0 mi

Top 8%
×6stories
+12ft-82ft

Overall

2365

Males

2190

M18-39

2190

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

2101

Males

1939

M18-39

1939

40K→25.2M

24.9 - 25.2 mi

Top 9%
×1story
+13ft-16ft

Overall

2564

Males

2298

M18-39

2298

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2stories
+22ft-21ft

Overall

2310

Males

2113

M18-39

2113

Passing Analysis

Category:
Athletes Passed
2344
Passed By
238
Net Change
+2106
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5451
5K → 10K41954+365#5451#5086
10K → 15K31615+301#5086#4785
15K → 20K3488+340#4785#4445
20K → Half1128-17#4445#4462
Half → 25K19116+175#4462#4287
25K → 30K26240+222#4287#4065
30K → 20M9714+83#4065#3982
20M → 21M11518+97#3982#3885
21M → 35K5511+44#3885#3841
35K → 23M1454+141#3841#3700
23M → 24M11911+108#3700#3592
24M → 40K1206+114#3592#3478
40K → 25.2M395+34#3478#3444
25.2M → Finish1078+99#3444#3345
TOTALS2344238+2106
📊

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