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BOSTON MARATHON 2025

Jim Sowders

Bib: 24600•M

IN

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M65-69)
#0 / 639
Top 35%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:35
Rank: #21884
Start → 5K
27:35 | 8:53/mi
10K· 6.21 mi
54:55
Rank: #21645 (+239)
5K → 10K
27:20 | 8:48/mi
15K· 9.32 mi
1:21:53
Rank: #21170 (+475)
10K → 15K
26:58 | 8:41/mi
20K· 12.43 mi
1:48:59
Rank: #20768 (+402)
15K → 20K
27:06 | 8:43/mi
Half· 13.11 mi
1:54:54
Rank: #20748 (+20)
20K → Half
5:55 | 8:40/mi
25K· 15.53 mi
2:16:20
Rank: #20501 (+247)
Half → 25K
21:26 | 8:50/mi
30K· 18.64 mi
2:45:04
Rank: #20155 (+346)
25K → 30K
28:44 | 9:15/mi
20M
2:57:32
Rank: #19970 (+185)
30K → 20M
12:28 | 9:10/mi
21M
3:07:12
Rank: #19768 (+202)
20M → 21M
9:40 | 9:40/mi
35K· 21.75 mi
3:13:59
Rank: #19732 (+36)
21M → 35K
6:47 | 9:04/mi
23M
3:25:39
Rank: #19614 (+118)
35K → 23M
11:40 | 9:19/mi
24M
3:34:49
Rank: #19550 (+64)
23M → 24M
9:10 | 9:10/mi
40K· 24.85 mi
3:42:38
Rank: #19458 (+92)
24M → 40K
7:49 | 9:09/mi
25.2M
3:46:06
Rank: #19414 (+44)
40K → 25.2M
3:28 | 10:03/mi
Finish· 26.22 mi
3:55:18
Rank: #19400 (+14)
25.2M → Finish
9:12 | 9:02/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:54
Pace8:46 /mi
2nd Half
Distance13.11 mi
Time2:00:24
Pace9:11 /mi
📊Positive Split: 4.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:28:0027:358:5327:35
8:53
-
10K
6.21 mi11:55:2054:558:5027:20
8:48
-0:05
15K
9.32 mi12:22:181:21:538:4726:58
8:41
-0:07
20K
12.43 mi12:49:241:48:598:4627:06
8:43
+0:02
Half
13.11 mi12:55:191:54:548:465:55
8:40
-0:03
25K
15.53 mi13:16:452:16:208:4721:26
8:50
+0:10
30K
18.64 mi13:45:292:45:048:5128:44
9:15
+0:25
20M
20.00 mi13:57:572:57:328:5312:28
9:10
-0:05
21M
21.00 mi14:07:373:07:128:559:40
9:40
+0:30
35K
21.75 mi14:14:243:13:598:556:47
9:04
-0:36
23M
23.00 mi14:26:043:25:398:5611:40
9:19
+0:15
24M
24.00 mi14:35:143:34:498:579:10
9:10
-0:09
40K
24.85 mi14:43:033:42:388:577:49
9:09
-0:01
25.2M
25.20 mi14:46:313:46:068:583:28
10:03
+0:54
Finish
26.22 mi14:55:433:55:188:599:12
9:02
-1:01

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

8:40 /mi

Average Pace

8:59 /mi

Slowest Pace

10:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:42:10

94% of race

Time at Steady Pace

13:08

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:58 /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 mi11:28:0027:358:5327:35
8:53
#21884
10K
6.21 mi11:55:2054:558:5027:20
8:48
#21645
15K
9.32 mi12:22:181:21:538:4726:58
8:41
#21170
20K
12.43 mi12:49:241:48:598:4627:06
8:43
#20768
Half
13.11 mi12:55:191:54:548:465:55
8:40
#20748
25K
15.53 mi13:16:452:16:208:4721:26
8:50
#20501
30K
18.64 mi13:45:292:45:048:5128:44
9:15
#20155
20M
20.00 mi13:57:572:57:328:5312:28
9:10
#19970
21M
21.00 mi14:07:373:07:128:559:40
9:40
#19768
35K
21.75 mi14:14:243:13:598:556:47
9:04
#19732
23M
23.00 mi14:26:043:25:398:5611:40
9:19
#19614
24M
24.00 mi14:35:143:34:498:579:10
9:10
#19550
40K
24.85 mi14:43:033:42:388:577:49
9:09
#19458
25.2M
25.20 mi14:46:313:46:068:583:28
10:03
#19414
Finish
26.22 mi14:55:433:55:188:599:12
9:02
#19400
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi21884132591325920356(Top 72%)12671(Top 79%)12671(Top 1983%)
10K6.21 mi3.10 mi21645+23913171+8813171+8821381(Top 75%)13076(Top 81%)13076(Top 2046%)
15K9.32 mi3.11 mi21170+47512980+19112980+19120356(Top 72%)12671(Top 79%)12671(Top 1983%)
20K12.43 mi3.11 mi20768+40212802+17812802+17819521(Top 69%)12251(Top 76%)12251(Top 1917%)
Half13.11 mi0.68 mi20748+2012790+1212790+1220155(Top 71%)12523(Top 78%)12523(Top 1960%)
25K15.53 mi2.42 mi20501+24712670+12012670+12019142(Top 67%)12040(Top 75%)12040(Top 1884%)
30K18.64 mi3.11 mi20155+34612485+18512485+18518883(Top 66%)11778(Top 73%)11778(Top 1843%)
20M20.00 mi1.36 mi19970+18512385+10012385+10017650(Top 62%)11106(Top 69%)11106(Top 1738%)
21M21.00 mi1.00 mi19768+20212273+11212273+11216864(Top 59%)10638(Top 66%)10638(Top 1665%)
35K21.75 mi0.75 mi19732+3612244+2912244+2918550(Top 65%)11281(Top 70%)11281(Top 1765%)
23M23.00 mi1.25 mi19614+11812153+9112153+9117842(Top 63%)10891(Top 68%)10891(Top 1704%)
24M24.00 mi1.00 mi19550+6412104+4912104+4918177(Top 64%)11009(Top 68%)11009(Top 1723%)
40K24.85 mi0.85 mi19458+9212049+5512049+5517080(Top 60%)10421(Top 65%)10421(Top 1631%)
25.2M25.20 mi0.35 mi19414+4412022+2712022+2717242(Top 61%)10483(Top 65%)10483(Top 1641%)
Finish26.22 mi1.02 mi19400+1411994+2811994+2819182(Top 68%)11421(Top 71%)11421(Top 1787%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21stories
+97ft-345ft

Overall

20356

Males

12671

M65-69

12671

5K→10K

3.1 - 6.2 mi

Top 75%
×5stories
+79ft-138ft

Overall

21381

Males

13076

M65-69

13076

10K→15K

6.2 - 9.3 mi

Top 72%
×3stories
+67ft-78ft

Overall

20356

Males

12671

M65-69

12671

15K→20K

9.3 - 12.4 mi

Top 69%
×5stories
+106ft-86ft

Overall

19521

Males

12251

M65-69

12251

20K→Half

12.4 - 13.1 mi

Top 71%
×2stories
+19ft-37ft

Overall

20155

Males

12523

M65-69

12523

Half→25K

13.1 - 15.5 mi

Top 67%
×4stories
+66ft-88ft

Overall

19142

Males

12040

M65-69

12040

25K→30K

15.5 - 18.6 mi

Top 66%
×9stories
+181ft-148ft

Overall

18883

Males

11778

M65-69

11778

30K→20M

18.6 - 20.0 mi

Top 62%
×5stories
+64ft-50ft

Overall

17650

Males

11106

M65-69

11106

20M→21M

20.0 - 21.0 mi

Top 59%
×8stories
+106ft-24ft

Overall

16864

Males

10638

M65-69

10638

21M→35K

21.0 - 21.8 mi

Top 65%
×7stories
+17ft-86ft

Overall

18550

Males

11281

M65-69

11281

35K→23M

21.8 - 23.0 mi

Top 63%
×5stories
+23ft-63ft

Overall

17842

Males

10891

M65-69

10891

23M→24M

23.0 - 24.0 mi

Top 64%
×6stories
+12ft-82ft

Overall

18177

Males

11009

M65-69

11009

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

17080

Males

10421

M65-69

10421

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

17242

Males

10483

M65-69

10483

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2stories
+22ft-21ft

Overall

19182

Males

11421

M65-69

11421

Passing Analysis

Category:
Athletes Passed
3048
Passed By
564
Net Change
+2484
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21884
5K → 10K405166+239#21884#21645
10K → 15K51742+475#21645#21170
15K → 20K43028+402#21170#20768
20K → Half4121+20#20768#20748
Half → 25K28336+247#20748#20501
25K → 30K41266+346#20501#20155
30K → 20M20520+185#20155#19970
20M → 21M21210+202#19970#19768
21M → 35K6832+36#19768#19732
35K → 23M15436+118#19732#19614
23M → 24M9127+64#19614#19550
24M → 40K11119+92#19550#19458
40K → 25.2M5410+44#19458#19414
25.2M → Finish6551+14#19414#19400
TOTALS3048564+2484
📊

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