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BOSTON MARATHON 2025

Jerry Walder

Bib: 5761•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 22%
Gender (Male)
#0 / 16105
Top 34%
Masters (Masters Men)
#0 / 10463
Top 20%
Division (M50-54)
#0 / 1996
Top 15%
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
7:00/mi
21:46
↑ 97↓ 3451.5%
10K· 6.21 mi
6:55/mi
43:16
↑ 79↓ 1380.4%
15K· 9.32 mi
6:59/mi
1:04:58
↑ 67↓ 78
20K· 12.43 mi
6:59/mi
1:26:39
↑ 106↓ 860.1%
Half· 13.11 mi
6:56/mi
1:31:23
↑ 19↓ 370.5%
25K· 15.53 mi
6:55/mi
1:48:10
↑ 66↓ 880.2%
30K· 18.64 mi
7:10/mi
2:10:25
↑ 181↓ 1480.2%
20M
7:10/mi
2:20:10
↑ 64↓ 500.2%
21M
7:36/mi
2:27:46
↑ 106↓ 241.6%
35K· 21.75 mi
7:10/mi
2:33:08
↑ 17↓ 861.7%
23M
7:27/mi
2:42:28
↑ 23↓ 630.6%
24M
7:22/mi
2:49:50
↓ 821.3%
40K· 24.85 mi
7:29/mi
2:56:14
↓ 200.3%
25.2M
8:16/mi
2:59:05
↑ 13↓ 160.2%
Finish· 26.22 mi
7:34/mi
3:06:48
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:23
Pace6:58 /mi
2nd Half
Distance13.11 mi
Time1:35:25
Pace7:17 /mi
📊Positive Split: 4.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:5921:467:0021:46
7:00
-
10K
6.21 mi10:47:2943:166:5821:30
6:55
-0:05
15K
9.32 mi11:09:111:04:586:5821:42
6:59
+0:04
20K
12.43 mi11:30:521:26:396:5821:41
6:59
0:00
Half
13.11 mi11:35:361:31:236:584:44
6:56
-0:03
25K
15.53 mi11:52:231:48:106:5816:47
6:55
-0:01
30K
18.64 mi12:14:382:10:257:0022:15
7:10
+0:15
20M
20.00 mi12:24:232:20:107:009:45
7:10
0:00
21M
21.00 mi12:31:592:27:467:027:36
7:36
+0:26
35K
21.75 mi12:37:212:33:087:025:22
7:10
-0:26
23M
23.00 mi12:46:412:42:287:049:20
7:27
+0:17
24M
24.00 mi12:54:032:49:507:057:22
7:22
-0:05
40K
24.85 mi13:00:272:56:147:056:24
7:29
+0:07
25.2M
25.20 mi13:03:182:59:057:062:51
8:16
+0:47
Finish
26.22 mi13:11:013:06:487:087:43
7:34
-0:42

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

6:55 /mi

Average Pace

7:08 /mi

Slowest Pace

8:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:03:57

98% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

2:51

2% of race

Average Pace: 7:07 /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 mi10:25:5921:467:0021:46
7:00
#7852
10K
6.21 mi10:47:2943:166:5821:30
6:55
#7605
15K
9.32 mi11:09:111:04:586:5821:42
6:59
#7563
20K
12.43 mi11:30:521:26:396:5821:41
6:59
#7311
Half
13.11 mi11:35:361:31:236:584:44
6:56
#7290
25K
15.53 mi11:52:231:48:106:5816:47
6:55
#7014
30K
18.64 mi12:14:382:10:257:0022:15
7:10
#6636
20M
20.00 mi12:24:232:20:107:009:45
7:10
#6437
21M
21.00 mi12:31:592:27:467:027:36
7:36
#6303
35K
21.75 mi12:37:212:33:087:025:22
7:10
#6272
23M
23.00 mi12:46:412:42:287:049:20
7:27
#6201
24M
24.00 mi12:54:032:49:507:057:22
7:22
#6169
40K
24.85 mi13:00:272:56:147:056:24
7:29
#6130
25.2M
25.20 mi13:03:182:59:057:062:51
8:16
#6119
Finish
26.22 mi13:11:013:06:487:087:43
7:34
#6193
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi7852690069007505(Top 26%)6614(Top 41%)6614(Top 331%)
10K6.21 mi3.10 mi7605+2476723+1776723+1777379(Top 26%)6556(Top 41%)6556(Top 328%)
15K9.32 mi3.11 mi7563+426685+386685+387505(Top 26%)6614(Top 41%)6614(Top 331%)
20K12.43 mi3.11 mi7311+2526498+1876498+1876742(Top 24%)6007(Top 37%)6007(Top 301%)
Half13.11 mi0.68 mi7290+216480+186480+187100(Top 25%)6277(Top 39%)6277(Top 314%)
25K15.53 mi2.42 mi7014+2766267+2136267+2135808(Top 20%)5242(Top 33%)5242(Top 263%)
30K18.64 mi3.11 mi6636+3785935+3325935+3325674(Top 20%)5071(Top 31%)5071(Top 254%)
20M20.00 mi1.36 mi6437+1995766+1695766+1695059(Top 18%)4526(Top 28%)4526(Top 227%)
21M21.00 mi1.00 mi6303+1345646+1205646+1205117(Top 18%)4463(Top 28%)4463(Top 224%)
35K21.75 mi0.75 mi6272+315613+335613+336398(Top 23%)5312(Top 33%)5312(Top 266%)
23M23.00 mi1.25 mi6201+715532+815532+816357(Top 22%)5188(Top 32%)5188(Top 260%)
24M24.00 mi1.00 mi6169+325493+395493+396792(Top 24%)5391(Top 33%)5391(Top 270%)
40K24.85 mi0.85 mi6130+395446+475446+476678(Top 24%)5235(Top 33%)5235(Top 262%)
25.2M25.20 mi0.35 mi6119+115426+205426+207354(Top 26%)5519(Top 34%)5519(Top 277%)
Finish26.22 mi1.02 mi6193-745453-275453-279674(Top 34%)6785(Top 42%)6785(Top 340%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 26%
×21story building
+97ft-345ft

Overall

7505

Males

6614

M50-54

6614

5K→10K

3.1 - 6.2 mi

Top 26%
×5story building
+79ft-138ft

Overall

7379

Males

6556

M50-54

6556

10K→15K

6.2 - 9.3 mi

Top 26%
×3story building
+67ft-78ft

Overall

7505

Males

6614

M50-54

6614

15K→20K

9.3 - 12.4 mi

Top 24%
×5story building
+106ft-86ft

Overall

6742

Males

6007

M50-54

6007

20K→Half

12.4 - 13.1 mi

Top 25%
×2story building
+19ft-37ft

Overall

7100

Males

6277

M50-54

6277

Half→25K

13.1 - 15.5 mi

Top 20%
×4story building
+66ft-88ft

Overall

5808

Males

5242

M50-54

5242

25K→30K

15.5 - 18.6 mi

Top 20%
×9story building
+181ft-148ft

Overall

5674

Males

5071

M50-54

5071

30K→20M

18.6 - 20.0 mi

Top 18%
×5story building
+64ft-50ft

Overall

5059

Males

4526

M50-54

4526

20M→21M

20.0 - 21.0 mi

Top 18%
×8story building
+106ft-24ft

Overall

5117

Males

4463

M50-54

4463

21M→35K

21.0 - 21.8 mi

Top 23%
×7story building
+17ft-86ft

Overall

6398

Males

5312

M50-54

5312

35K→23M

21.8 - 23.0 mi

Top 22%
×5story building
+23ft-63ft

Overall

6357

Males

5188

M50-54

5188

23M→24M

23.0 - 24.0 mi

Top 24%
×6story building
+12ft-82ft

Overall

6792

Males

5391

M50-54

5391

24M→40K

24.0 - 24.9 mi

Top 24%
×1story
+6ft-20ft

Overall

6678

Males

5235

M50-54

5235

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1story
+13ft-16ft

Overall

7354

Males

5519

M50-54

5519

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2story building
+22ft-21ft

Overall

9674

Males

6785

M50-54

6785

Passing Analysis

Category:
Athletes Passed
2216
Passed By
557
Net Change
+1659
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7852
5K → 10K34396+247#7852#7605
10K → 15K152110+42#7605#7563
15K → 20K27018+252#7563#7311
20K → Half3716+21#7311#7290
Half → 25K2826+276#7290#7014
25K → 30K40426+378#7014#6636
30K → 20M2056+199#6636#6437
20M → 21M14713+134#6437#6303
21M → 35K5221+31#6303#6272
35K → 23M11039+71#6272#6201
23M → 24M7644+32#6201#6169
24M → 40K7031+39#6169#6130
40K → 25.2M3120+11#6130#6119
25.2M → Finish37111-74#6119#6193
TOTALS2216557+1659
📊

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