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BOSTON MARATHON 2025

Joel Kehm

Bib: 19614•M

RI

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M55-59)
#0 / 1648
Top 46%
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
7:59/mi
24:48
↑ 97↓ 3451.5%
10K· 6.21 mi
8:08/mi
50:03
↑ 79↓ 1380.4%
15K· 9.32 mi
8:08/mi
1:15:20
↑ 67↓ 78
20K· 12.43 mi
8:14/mi
1:40:55
↑ 106↓ 860.1%
Half· 13.11 mi
8:02/mi
1:46:24
↑ 19↓ 370.5%
25K· 15.53 mi
8:11/mi
2:06:14
↑ 66↓ 880.2%
30K· 18.64 mi
8:28/mi
2:32:32
↑ 181↓ 1480.2%
20M
8:28/mi
2:44:02
↑ 64↓ 500.2%
21M
8:40/mi
2:52:42
↑ 106↓ 241.6%
35K· 21.75 mi
8:15/mi
2:58:52
↑ 17↓ 861.7%
23M
8:16/mi
3:09:13
↑ 23↓ 630.6%
24M
8:10/mi
3:17:23
↓ 821.3%
40K· 24.85 mi
8:18/mi
3:24:29
↓ 200.3%
25.2M
8:56/mi
3:27:34
↑ 13↓ 160.2%
Finish· 26.22 mi
7:49/mi
3:35:32
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:24
Pace8:07 /mi
2nd Half
Distance13.11 mi
Time1:49:08
Pace8:20 /mi
📊Positive Split: 2.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:0124:487:5924:48
7:59
-
10K
6.21 mi11:42:1650:038:0325:15
8:08
+0:09
15K
9.32 mi12:07:331:15:208:0525:17
8:08
0:00
20K
12.43 mi12:33:081:40:558:0725:35
8:14
+0:06
Half
13.11 mi12:38:371:46:248:075:29
8:02
-0:12
25K
15.53 mi12:58:272:06:148:0819:50
8:11
+0:09
30K
18.64 mi13:24:452:32:328:1126:18
8:28
+0:17
20M
20.00 mi13:36:152:44:028:1211:30
8:28
0:00
21M
21.00 mi13:44:552:52:428:138:40
8:40
+0:12
35K
21.75 mi13:51:052:58:528:136:10
8:15
-0:25
23M
23.00 mi14:01:263:09:138:1410:21
8:16
+0:01
24M
24.00 mi14:09:363:17:238:138:10
8:10
-0:06
40K
24.85 mi14:16:423:24:298:147:06
8:18
+0:08
25.2M
25.20 mi14:19:473:27:348:143:05
8:56
+0:38
Finish
26.22 mi14:27:453:35:328:147:58
7:49
-1:07

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

7:49 /mi

Average Pace

8:14 /mi

Slowest Pace

8:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:23:47

95% of race

Time at Steady Pace

11:45

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:13 /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 mi11:17:0124:487:5924:48
7:59
#16427
10K
6.21 mi11:42:1650:038:0325:15
8:08
#16934
15K
9.32 mi12:07:331:15:208:0525:17
8:08
#16940
20K
12.43 mi12:33:081:40:558:0725:35
8:14
#16831
Half
13.11 mi12:38:371:46:248:075:29
8:02
#16777
25K
15.53 mi12:58:272:06:148:0819:50
8:11
#16488
30K
18.64 mi13:24:452:32:328:1126:18
8:28
#16106
20M
20.00 mi13:36:152:44:028:1211:30
8:28
#15871
21M
21.00 mi13:44:552:52:428:138:40
8:40
#15556
35K
21.75 mi13:51:052:58:528:136:10
8:15
#15492
23M
23.00 mi14:01:263:09:138:1410:21
8:16
#15235
24M
24.00 mi14:09:363:17:238:138:10
8:10
#15054
40K
24.85 mi14:16:423:24:298:147:06
8:18
#14927
25.2M
25.20 mi14:19:473:27:348:143:05
8:56
#14854
Finish
26.22 mi14:27:453:35:328:147:58
7:49
#14702
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi16427109741097416986(Top 60%)11207(Top 70%)11207(Top 680%)
10K6.21 mi3.10 mi16934-50711199-22511199-22517389(Top 61%)11406(Top 71%)11406(Top 692%)
15K9.32 mi3.11 mi16940-611205-611205-616986(Top 60%)11207(Top 70%)11207(Top 680%)
20K12.43 mi3.11 mi16831+10911142+6311142+6316516(Top 58%)10968(Top 68%)10968(Top 666%)
Half13.11 mi0.68 mi16777+5411126+1611126+1616129(Top 57%)10802(Top 67%)10802(Top 655%)
25K15.53 mi2.42 mi16488+28910987+13910987+13915157(Top 53%)10294(Top 64%)10294(Top 625%)
30K18.64 mi3.11 mi16106+38210769+21810769+21814540(Top 51%)9851(Top 61%)9851(Top 598%)
20M20.00 mi1.36 mi15871+23510630+13910630+13913534(Top 48%)9236(Top 57%)9236(Top 560%)
21M21.00 mi1.00 mi15556+31510464+16610464+16611468(Top 40%)8112(Top 50%)8112(Top 492%)
35K21.75 mi0.75 mi15492+6410426+3810426+3813873(Top 49%)9224(Top 57%)9224(Top 560%)
23M23.00 mi1.25 mi15235+25710278+14810278+14811819(Top 42%)8156(Top 51%)8156(Top 495%)
24M24.00 mi1.00 mi15054+18110178+10010178+10012340(Top 43%)8348(Top 52%)8348(Top 507%)
40K24.85 mi0.85 mi14927+12710096+8210096+8212164(Top 43%)8141(Top 51%)8141(Top 494%)
25.2M25.20 mi0.35 mi14854+7310055+4110055+4111457(Top 40%)7717(Top 48%)7717(Top 468%)
Finish26.22 mi1.02 mi14702+1529959+969959+9611558(Top 41%)7803(Top 48%)7803(Top 473%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21story building
+97ft-345ft

Overall

16986

Males

11207

M55-59

11207

5K→10K

3.1 - 6.2 mi

Top 61%
×5story building
+79ft-138ft

Overall

17389

Males

11406

M55-59

11406

10K→15K

6.2 - 9.3 mi

Top 60%
×3story building
+67ft-78ft

Overall

16986

Males

11207

M55-59

11207

15K→20K

9.3 - 12.4 mi

Top 58%
×5story building
+106ft-86ft

Overall

16516

Males

10968

M55-59

10968

20K→Half

12.4 - 13.1 mi

Top 57%
×2story building
+19ft-37ft

Overall

16129

Males

10802

M55-59

10802

Half→25K

13.1 - 15.5 mi

Top 53%
×4story building
+66ft-88ft

Overall

15157

Males

10294

M55-59

10294

25K→30K

15.5 - 18.6 mi

Top 51%
×9story building
+181ft-148ft

Overall

14540

Males

9851

M55-59

9851

30K→20M

18.6 - 20.0 mi

Top 48%
×5story building
+64ft-50ft

Overall

13534

Males

9236

M55-59

9236

20M→21M

20.0 - 21.0 mi

Top 40%
×8story building
+106ft-24ft

Overall

11468

Males

8112

M55-59

8112

21M→35K

21.0 - 21.8 mi

Top 49%
×7story building
+17ft-86ft

Overall

13873

Males

9224

M55-59

9224

35K→23M

21.8 - 23.0 mi

Top 42%
×5story building
+23ft-63ft

Overall

11819

Males

8156

M55-59

8156

23M→24M

23.0 - 24.0 mi

Top 43%
×6story building
+12ft-82ft

Overall

12340

Males

8348

M55-59

8348

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

12164

Males

8141

M55-59

8141

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

11457

Males

7717

M55-59

7717

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2story building
+22ft-21ft

Overall

11558

Males

7803

M55-59

7803

Passing Analysis

Category:
Athletes Passed
2890
Passed By
1165
Net Change
+1725
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16427
5K → 10K128635-507#16427#16934
10K → 15K204210-6#16934#16940
15K → 20K239130+109#16940#16831
20K → Half7117+54#16831#16777
Half → 25K31627+289#16777#16488
25K → 30K43856+382#16488#16106
30K → 20M25520+235#16106#15871
20M → 21M3227+315#15871#15556
21M → 35K8420+64#15556#15492
35K → 23M26710+257#15492#15235
23M → 24M1876+181#15235#15054
24M → 40K13811+127#15054#14927
40K → 25.2M818+73#14927#14854
25.2M → Finish1608+152#14854#14702
TOTALS28901165+1725
📊

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