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BOSTON MARATHON 2025

Greg Sellers

Bib: 26706•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M50-54)
#0 / 1996
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
9:33/mi
29:41
↑ 97↓ 3451.5%
10K· 6.21 mi
9:43/mi
59:51
↑ 79↓ 1380.4%
15K· 9.32 mi
9:58/mi
1:30:48
↑ 67↓ 78
20K· 12.43 mi
11:50/mi
2:07:34
↑ 106↓ 860.1%
Half· 13.11 mi
10:20/mi
2:14:37
↑ 19↓ 370.5%
25K· 15.53 mi
12:10/mi
2:44:06
↑ 66↓ 880.2%
30K· 18.64 mi
13:03/mi
3:24:38
↑ 181↓ 1480.2%
20M
14:00/mi
3:43:39
↑ 64↓ 500.2%
21M
17:13/mi
4:00:52
↑ 106↓ 241.6%
35K· 21.75 mi
10:58/mi
4:09:04
↑ 17↓ 861.7%
23M
12:33/mi
4:24:47
↑ 23↓ 630.6%
24M
11:07/mi
4:35:54
↓ 821.3%
40K· 24.85 mi
12:09/mi
4:46:17
↓ 200.3%
25.2M
11:39/mi
4:50:18
↑ 13↓ 160.2%
Finish· 26.22 mi
10:13/mi
5:00:43
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:14:37
Pace10:16 /mi
2nd Half
Distance13.11 mi
Time2:46:06
Pace12:40 /mi
📊Positive Split: 23.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:5729:419:3329:41
9:33
-
10K
6.21 mi12:17:0759:519:3830:10
9:43
+0:10
15K
9.32 mi12:48:041:30:489:4530:57
9:58
+0:15
20K
12.43 mi13:24:502:07:3410:1636:46
11:50
+1:52
Half
13.11 mi13:31:532:14:3710:167:03
10:20
-1:30
25K
15.53 mi14:01:222:44:0610:3429:29
12:10
+1:50
30K
18.64 mi14:41:543:24:3810:5940:32
13:03
+0:53
20M
20.00 mi15:00:553:43:3911:1119:01
14:00
+0:57
21M
21.00 mi15:18:084:00:5211:2817:13
17:13
+3:13
35K
21.75 mi15:26:204:09:0411:278:12
10:58
-6:15
23M
23.00 mi15:42:034:24:4711:3115:43
12:33
+1:35
24M
24.00 mi15:53:104:35:5411:3011:07
11:07
-1:26
40K
24.85 mi16:03:334:46:1711:3110:23
12:09
+1:02
25.2M
25.20 mi16:07:344:50:1811:314:01
11:39
-0:30
Finish
26.22 mi16:17:595:00:4311:2910:25
10:13
-1:26

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

9:33 /mi

Average Pace

11:29 /mi

Slowest Pace

17:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:48:16

36% of race

Time at Steady Pace

1:55:41

38% of race

Time at Slower Pace

1:16:46

26% of race

Average Pace: 11:28 /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 mi11:46:5729:419:3329:41
9:33
#24423
10K
6.21 mi12:17:0759:519:3830:10
9:43
#24548
15K
9.32 mi12:48:041:30:489:4530:57
9:58
#24685
20K
12.43 mi13:24:502:07:3410:1636:46
11:50
#25548
Half
13.11 mi13:31:532:14:3710:167:03
10:20
#25535
25K
15.53 mi14:01:222:44:0610:3429:29
12:10
#25806
30K
18.64 mi14:41:543:24:3810:5940:32
13:03
#26028
20M
20.00 mi15:00:553:43:3911:1119:01
14:00
#26189
21M
21.00 mi15:18:084:00:5211:2817:13
17:13
#26439
35K
21.75 mi15:26:204:09:0411:278:12
10:58
#26365
23M
23.00 mi15:42:034:24:4711:3115:43
12:33
#26358
24M
24.00 mi15:53:104:35:5411:3011:07
11:07
#26272
40K
24.85 mi16:03:334:46:1711:3110:23
12:09
#26246
25.2M
25.20 mi16:07:344:50:1811:314:01
11:39
#26214
Finish
26.22 mi16:17:595:00:4311:2910:25
10:13
#26166
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi24423144441444424919(Top 88%)14685(Top 91%)14685(Top 736%)
10K6.21 mi3.10 mi24548-12514510-6614510-6624644(Top 87%)14537(Top 90%)14537(Top 728%)
15K9.32 mi3.11 mi24685-13714568-5814568-5824919(Top 88%)14685(Top 91%)14685(Top 736%)
20K12.43 mi3.11 mi25548-86314952-38414952-38426970(Top 95%)15528(Top 96%)15528(Top 778%)
Half13.11 mi0.68 mi25535+1314944+814944+825513(Top 90%)14897(Top 92%)14897(Top 746%)
25K15.53 mi2.42 mi25806-27115046-10215046-10226597(Top 94%)15341(Top 95%)15341(Top 769%)
30K18.64 mi3.11 mi26028-22215122-7615122-7626728(Top 94%)15312(Top 95%)15312(Top 767%)
20M20.00 mi1.36 mi26189-16115184-6215184-6227290(Top 96%)15521(Top 96%)15521(Top 778%)
21M21.00 mi1.00 mi26439-25015280-9615280-9628180(Top 99%)15972(Top 99%)15972(Top 800%)
35K21.75 mi0.75 mi26365+7415235+4515235+4524120(Top 85%)13937(Top 87%)13937(Top 698%)
23M23.00 mi1.25 mi26358+715224+1115224+1125869(Top 91%)14771(Top 92%)14771(Top 740%)
24M24.00 mi1.00 mi26272+8615168+5615168+5624228(Top 85%)13938(Top 87%)13938(Top 698%)
40K24.85 mi0.85 mi26246+2615151+1715151+1725151(Top 89%)14347(Top 89%)14347(Top 719%)
25.2M25.20 mi0.35 mi26214+3215140+1115140+1122442(Top 79%)13020(Top 81%)13020(Top 652%)
Finish26.22 mi1.02 mi26166+4815117+2315117+2323593(Top 83%)13565(Top 84%)13565(Top 680%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21story building
+97ft-345ft

Overall

24919

Males

14685

M50-54

14685

5K→10K

3.1 - 6.2 mi

Top 87%
×5story building
+79ft-138ft

Overall

24644

Males

14537

M50-54

14537

10K→15K

6.2 - 9.3 mi

Top 88%
×3story building
+67ft-78ft

Overall

24919

Males

14685

M50-54

14685

15K→20K

9.3 - 12.4 mi

Top 95%
×5story building
+106ft-86ft

Overall

26970

Males

15528

M50-54

15528

20K→Half

12.4 - 13.1 mi

Top 90%
×2story building
+19ft-37ft

Overall

25513

Males

14897

M50-54

14897

Half→25K

13.1 - 15.5 mi

Top 94%
×4story building
+66ft-88ft

Overall

26597

Males

15341

M50-54

15341

25K→30K

15.5 - 18.6 mi

Top 94%
×9story building
+181ft-148ft

Overall

26728

Males

15312

M50-54

15312

30K→20M

18.6 - 20.0 mi

Top 96%
×5story building
+64ft-50ft

Overall

27290

Males

15521

M50-54

15521

20M→21M

20.0 - 21.0 mi

Top 99%
×8story building
+106ft-24ft

Overall

28180

Males

15972

M50-54

15972

21M→35K

21.0 - 21.8 mi

Top 85%
×7story building
+17ft-86ft

Overall

24120

Males

13937

M50-54

13937

35K→23M

21.8 - 23.0 mi

Top 91%
×5story building
+23ft-63ft

Overall

25869

Males

14771

M50-54

14771

23M→24M

23.0 - 24.0 mi

Top 85%
×6story building
+12ft-82ft

Overall

24228

Males

13938

M50-54

13938

24M→40K

24.0 - 24.9 mi

Top 89%
×1story
+6ft-20ft

Overall

25151

Males

14347

M50-54

14347

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

22442

Males

13020

M50-54

13020

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2story building
+22ft-21ft

Overall

23593

Males

13565

M50-54

13565

Passing Analysis

Category:
Athletes Passed
723
Passed By
2466
Net Change
-1743
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24423
5K → 10K163288-125#24423#24548
10K → 15K96233-137#24548#24685
15K → 20K5868-863#24685#25548
20K → Half2613+13#25548#25535
Half → 25K38309-271#25535#25806
25K → 30K50272-222#25806#26028
30K → 20M17178-161#26028#26189
20M → 21M5255-250#26189#26439
21M → 35K751+74#26439#26365
35K → 23M3528+7#26365#26358
23M → 24M882+86#26358#26272
24M → 40K3711+26#26272#26246
40K → 25.2M331+32#26246#26214
25.2M → Finish557+48#26214#26166
TOTALS7232466-1743
📊

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