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BOSTON MARATHON 2025

Jeffrey Jellison

Bib: 26658•M

ME

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M45-49)
#0 / 2386
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
10:30/mi
32:38
↑ 97↓ 3451.5%
10K· 6.21 mi
9:50/mi
1:03:10
↑ 79↓ 1380.4%
15K· 9.32 mi
10:31/mi
1:35:49
↑ 67↓ 78
20K· 12.43 mi
10:11/mi
2:07:28
↑ 106↓ 860.1%
Half· 13.11 mi
10:11/mi
2:14:25
↑ 19↓ 370.5%
25K· 15.53 mi
11:34/mi
2:42:28
↑ 66↓ 880.2%
30K· 18.64 mi
12:40/mi
3:21:48
↑ 181↓ 1480.2%
20M
11:57/mi
3:38:03
↑ 64↓ 500.2%
21M
17:49/mi
3:55:52
↑ 106↓ 241.6%
35K· 21.75 mi
14:30/mi
4:06:43
↑ 17↓ 861.7%
23M
13:33/mi
4:23:41
↑ 23↓ 630.6%
24M
16:10/mi
4:39:51
↓ 821.3%
40K· 24.85 mi
11:34/mi
4:49:44
↓ 200.3%
25.2M
12:25/mi
4:54:01
↑ 13↓ 160.2%
Finish· 26.22 mi
11:03/mi
5:05:17
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:14:25
Pace10:15 /mi
2nd Half
Distance13.11 mi
Time2:50:52
Pace13:02 /mi
📊Positive Split: 27.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:1432:3810:3032:38
10:30
-
10K
6.21 mi12:20:461:03:1010:1030:32
9:50
-0:40
15K
9.32 mi12:53:251:35:4910:1732:39
10:31
+0:41
20K
12.43 mi13:25:042:07:2810:1531:39
10:11
-0:20
Half
13.11 mi13:32:012:14:2510:156:57
10:11
0:00
25K
15.53 mi14:00:042:42:2810:2828:03
11:34
+1:23
30K
18.64 mi14:39:243:21:4810:5039:20
12:40
+1:06
20M
20.00 mi14:55:393:38:0310:5416:15
11:57
-0:43
21M
21.00 mi15:13:283:55:5211:1417:49
17:49
+5:52
35K
21.75 mi15:24:194:06:4311:2110:51
14:30
-3:19
23M
23.00 mi15:41:174:23:4111:2816:58
13:33
-0:57
24M
24.00 mi15:57:274:39:5111:4016:10
16:10
+2:37
40K
24.85 mi16:07:204:49:4411:399:53
11:34
-4:36
25.2M
25.20 mi16:11:374:54:0111:404:17
12:25
+0:51
Finish
26.22 mi16:22:535:05:1711:3911:16
11:03
-1:22

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

9:50 /mi

Average Pace

11:39 /mi

Slowest Pace

17:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:09:08

23% of race

Time at Steady Pace

2:54:21

57% of race

Time at Slower Pace

1:01:48

20% of race

Average Pace: 11:39 /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 mi11:50:1432:3810:3032:38
10:30
#26760
10K
6.21 mi12:20:461:03:1010:1030:32
9:50
#25842
15K
9.32 mi12:53:251:35:4910:1732:39
10:31
#25875
20K
12.43 mi13:25:042:07:2810:1531:39
10:11
#25526
Half
13.11 mi13:32:012:14:2510:156:57
10:11
#25517
25K
15.53 mi14:00:042:42:2810:2828:03
11:34
#25634
30K
18.64 mi14:39:243:21:4810:5039:20
12:40
#25797
20M
20.00 mi14:55:393:38:0310:5416:15
11:57
#25748
21M
21.00 mi15:13:283:55:5211:1417:49
17:49
#26089
35K
21.75 mi15:24:194:06:4311:2110:51
14:30
#26228
23M
23.00 mi15:41:174:23:4111:2816:58
13:33
#26285
24M
24.00 mi15:57:274:39:5111:4016:10
16:10
#26506
40K
24.85 mi16:07:204:49:4411:399:53
11:34
#26451
25.2M
25.20 mi16:11:374:54:0111:404:17
12:25
#26418
Finish
26.22 mi16:22:535:05:1711:3911:16
11:03
#26392
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi26760155001550025961(Top 91%)15127(Top 94%)15127(Top 634%)
10K6.21 mi3.10 mi25842+91815095+40515095+40524928(Top 88%)14670(Top 91%)14670(Top 615%)
15K9.32 mi3.11 mi25875-3315101-615101-625961(Top 91%)15127(Top 94%)15127(Top 634%)
20K12.43 mi3.11 mi25526+34914940+16114940+16124610(Top 87%)14494(Top 90%)14494(Top 607%)
Half13.11 mi0.68 mi25517+914932+814932+825233(Top 89%)14776(Top 92%)14776(Top 619%)
25K15.53 mi2.42 mi25634-11714980-4814980-4825951(Top 91%)15047(Top 93%)15047(Top 631%)
30K18.64 mi3.11 mi25797-16315013-3315013-3326331(Top 93%)15125(Top 94%)15125(Top 634%)
20M20.00 mi1.36 mi25748+4914980+3314980+3325200(Top 89%)14555(Top 90%)14555(Top 610%)
21M21.00 mi1.00 mi26089-34115123-14315123-14328263(Top 100%)16021(Top 99%)16021(Top 671%)
35K21.75 mi0.75 mi26228-13915178-5515178-5527920(Top 98%)15799(Top 98%)15799(Top 662%)
23M23.00 mi1.25 mi26285-5715188-1015188-1026922(Top 95%)15288(Top 95%)15288(Top 641%)
24M24.00 mi1.00 mi26506-22115279-9115279-9128253(Top 99%)15998(Top 99%)15998(Top 670%)
40K24.85 mi0.85 mi26451+5515254+2515254+2524242(Top 85%)13897(Top 86%)13897(Top 582%)
25.2M25.20 mi0.35 mi26418+3315236+1815236+1824058(Top 85%)13807(Top 86%)13807(Top 579%)
Finish26.22 mi1.02 mi26392+2615214+2215214+2225483(Top 90%)14517(Top 90%)14517(Top 608%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21story building
+97ft-345ft

Overall

25961

Males

15127

M45-49

15127

5K→10K

3.1 - 6.2 mi

Top 88%
×5story building
+79ft-138ft

Overall

24928

Males

14670

M45-49

14670

10K→15K

6.2 - 9.3 mi

Top 91%
×3story building
+67ft-78ft

Overall

25961

Males

15127

M45-49

15127

15K→20K

9.3 - 12.4 mi

Top 87%
×5story building
+106ft-86ft

Overall

24610

Males

14494

M45-49

14494

20K→Half

12.4 - 13.1 mi

Top 89%
×2story building
+19ft-37ft

Overall

25233

Males

14776

M45-49

14776

Half→25K

13.1 - 15.5 mi

Top 91%
×4story building
+66ft-88ft

Overall

25951

Males

15047

M45-49

15047

25K→30K

15.5 - 18.6 mi

Top 93%
×9story building
+181ft-148ft

Overall

26331

Males

15125

M45-49

15125

30K→20M

18.6 - 20.0 mi

Top 89%
×5story building
+64ft-50ft

Overall

25200

Males

14555

M45-49

14555

20M→21M

20.0 - 21.0 mi

Top 100%
×8story building
+106ft-24ft

Overall

28263

Males

16021

M45-49

16021

21M→35K

21.0 - 21.8 mi

Top 98%
×7story building
+17ft-86ft

Overall

27920

Males

15799

M45-49

15799

35K→23M

21.8 - 23.0 mi

Top 95%
×5story building
+23ft-63ft

Overall

26922

Males

15288

M45-49

15288

23M→24M

23.0 - 24.0 mi

Top 99%
×6story building
+12ft-82ft

Overall

28253

Males

15998

M45-49

15998

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

24242

Males

13897

M45-49

13897

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1story
+13ft-16ft

Overall

24058

Males

13807

M45-49

13807

25.2M→Finish

25.2 - 26.2 mi

Top 90%
×2story building
+22ft-21ft

Overall

25483

Males

14517

M45-49

14517

Passing Analysis

Category:
Athletes Passed
1790
Passed By
1422
Net Change
+368
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26760
5K → 10K9213+918#26760#25842
10K → 15K109142-33#25842#25875
15K → 20K3545+349#25875#25526
20K → Half2718+9#25526#25517
Half → 25K62179-117#25517#25634
25K → 30K65228-163#25634#25797
30K → 20M7930+49#25797#25748
20M → 21M4345-341#25748#26089
21M → 35K11150-139#26089#26228
35K → 23M2077-57#26228#26285
23M → 24M3224-221#26285#26506
24M → 40K638+55#26506#26451
40K → 25.2M352+33#26451#26418
25.2M → Finish3711+26#26418#26392
TOTALS17901422+368
📊

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