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BOSTON MARATHON 2025

James Congdon

Bib: 13318•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 36%
Gender (Male)
#0 / 16105
Top 48%
Masters (Masters Men)
#0 / 10463
Top 38%
Division (M60-64)
#0 / 1259
Top 8%
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
7:08/mi
22:11
↑ 97↓ 3451.5%
10K· 6.21 mi
7:13/mi
44:35
↑ 79↓ 1380.4%
15K· 9.32 mi
7:11/mi
1:06:55
↑ 67↓ 78
20K· 12.43 mi
7:25/mi
1:29:59
↑ 106↓ 860.1%
Half· 13.11 mi
7:07/mi
1:34:50
↑ 19↓ 370.5%
25K· 15.53 mi
7:22/mi
1:52:42
↑ 66↓ 880.2%
30K· 18.64 mi
7:42/mi
2:16:36
↑ 181↓ 1480.2%
20M
9:11/mi
2:29:05
↑ 64↓ 500.2%
21M
8:47/mi
2:37:52
↑ 106↓ 241.6%
35K· 21.75 mi
8:32/mi
2:44:15
↑ 17↓ 861.7%
23M
8:22/mi
2:54:44
↑ 23↓ 630.6%
24M
7:55/mi
3:02:39
↓ 821.3%
40K· 24.85 mi
8:04/mi
3:09:33
↓ 200.3%
25.2M
8:22/mi
3:12:26
↑ 13↓ 160.2%
Finish· 26.22 mi
7:18/mi
3:19:52
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:50
Pace7:14 /mi
2nd Half
Distance13.11 mi
Time1:45:02
Pace8:01 /mi
📊Positive Split: 10.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:1122:117:0822:11
7:08
-
10K
6.21 mi11:13:3544:357:1022:24
7:13
+0:05
15K
9.32 mi11:35:551:06:557:1122:20
7:11
-0:02
20K
12.43 mi11:58:591:29:597:1423:04
7:25
+0:14
Half
13.11 mi12:03:501:34:507:144:51
7:07
-0:18
25K
15.53 mi12:21:421:52:427:1517:52
7:22
+0:15
30K
18.64 mi12:45:362:16:367:2023:54
7:42
+0:20
20M
20.00 mi12:58:052:29:057:2712:29
9:11
+1:29
21M
21.00 mi13:06:522:37:527:318:47
8:47
-0:24
35K
21.75 mi13:13:152:44:157:336:23
8:32
-0:15
23M
23.00 mi13:23:442:54:447:3610:29
8:22
-0:10
24M
24.00 mi13:31:393:02:397:377:55
7:55
-0:27
40K
24.85 mi13:38:333:09:337:386:54
8:04
+0:09
25.2M
25.20 mi13:41:263:12:267:382:53
8:22
+0:18
Finish
26.22 mi13:48:523:19:527:387:26
7:18
-1:04

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

7:07 /mi

Average Pace

7:38 /mi

Slowest Pace

9:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:37:04

49% of race

Time at Steady Pace

54:53

27% of race

Time at Slower Pace

47:55

24% of race

Average Pace: 7:37 /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 mi10:51:1122:117:0822:11
7:08
#8963
10K
6.21 mi11:13:3544:357:1022:24
7:13
#9247
15K
9.32 mi11:35:551:06:557:1122:20
7:11
#9154
20K
12.43 mi11:58:591:29:597:1423:04
7:25
#9347
Half
13.11 mi12:03:501:34:507:144:51
7:07
#9293
25K
15.53 mi12:21:421:52:427:1517:52
7:22
#9175
30K
18.64 mi12:45:362:16:367:2023:54
7:42
#9083
20M
20.00 mi12:58:052:29:057:2712:29
9:11
#9820
21M
21.00 mi13:06:522:37:527:318:47
8:47
#9963
35K
21.75 mi13:13:152:44:157:336:23
8:32
#10204
23M
23.00 mi13:23:442:54:447:3610:29
8:22
#10321
24M
24.00 mi13:31:393:02:397:377:55
7:55
#10311
40K
24.85 mi13:38:333:09:337:386:54
8:04
#10287
25.2M
25.20 mi13:41:263:12:267:382:53
8:22
#10227
Finish
26.22 mi13:48:523:19:527:387:26
7:18
#10100
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi8963758975899014(Top 32%)7558(Top 47%)7558(Top 600%)
10K6.21 mi3.10 mi9247-2847752-1637752-1639578(Top 34%)7922(Top 49%)7922(Top 629%)
15K9.32 mi3.11 mi9154+937675+777675+779014(Top 32%)7558(Top 47%)7558(Top 600%)
20K12.43 mi3.11 mi9347-1937753-787753-7810096(Top 36%)8065(Top 50%)8065(Top 641%)
Half13.11 mi0.68 mi9293+547724+297724+298355(Top 29%)7124(Top 44%)7124(Top 566%)
25K15.53 mi2.42 mi9175+1187618+1067618+1068894(Top 31%)7283(Top 45%)7283(Top 578%)
30K18.64 mi3.11 mi9083+927515+1037515+1039140(Top 32%)7217(Top 45%)7217(Top 573%)
20M20.00 mi1.36 mi9820-7377888-3737888-37317694(Top 62%)11112(Top 69%)11112(Top 883%)
21M21.00 mi1.00 mi9963-1437926-387926-3812167(Top 43%)8443(Top 52%)8443(Top 671%)
35K21.75 mi0.75 mi10204-2418014-888014-8815611(Top 55%)9979(Top 62%)9979(Top 793%)
23M23.00 mi1.25 mi10321-1178022-88022-812477(Top 44%)8455(Top 52%)8455(Top 672%)
24M24.00 mi1.00 mi10311+107993+297993+2910636(Top 37%)7492(Top 47%)7492(Top 595%)
40K24.85 mi0.85 mi10287+247939+547939+5410647(Top 37%)7375(Top 46%)7375(Top 586%)
25.2M25.20 mi0.35 mi10227+607899+407899+407956(Top 28%)5897(Top 37%)5897(Top 468%)
Finish26.22 mi1.02 mi10100+1277803+967803+967738(Top 27%)5767(Top 36%)5767(Top 458%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21story building
+97ft-345ft

Overall

9014

Males

7558

M60-64

7558

5K→10K

3.1 - 6.2 mi

Top 34%
×5story building
+79ft-138ft

Overall

9578

Males

7922

M60-64

7922

10K→15K

6.2 - 9.3 mi

Top 32%
×3story building
+67ft-78ft

Overall

9014

Males

7558

M60-64

7558

15K→20K

9.3 - 12.4 mi

Top 36%
×5story building
+106ft-86ft

Overall

10096

Males

8065

M60-64

8065

20K→Half

12.4 - 13.1 mi

Top 29%
×2story building
+19ft-37ft

Overall

8355

Males

7124

M60-64

7124

Half→25K

13.1 - 15.5 mi

Top 31%
×4story building
+66ft-88ft

Overall

8894

Males

7283

M60-64

7283

25K→30K

15.5 - 18.6 mi

Top 32%
×9story building
+181ft-148ft

Overall

9140

Males

7217

M60-64

7217

30K→20M

18.6 - 20.0 mi

Top 62%
×5story building
+64ft-50ft

Overall

17694

Males

11112

M60-64

11112

20M→21M

20.0 - 21.0 mi

Top 43%
×8story building
+106ft-24ft

Overall

12167

Males

8443

M60-64

8443

21M→35K

21.0 - 21.8 mi

Top 55%
×7story building
+17ft-86ft

Overall

15611

Males

9979

M60-64

9979

35K→23M

21.8 - 23.0 mi

Top 44%
×5story building
+23ft-63ft

Overall

12477

Males

8455

M60-64

8455

23M→24M

23.0 - 24.0 mi

Top 37%
×6story building
+12ft-82ft

Overall

10636

Males

7492

M60-64

7492

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

10647

Males

7375

M60-64

7375

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

7956

Males

5897

M60-64

5897

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2story building
+22ft-21ft

Overall

7738

Males

5767

M60-64

5767

Passing Analysis

Category:
Athletes Passed
1565
Passed By
2698
Net Change
-1137
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8963
5K → 10K128412-284#8963#9247
10K → 15K208115+93#9247#9154
15K → 20K119312-193#9154#9347
20K → Half606+54#9347#9293
Half → 25K20991+118#9293#9175
25K → 30K259167+92#9175#9083
30K → 20M18754-737#9083#9820
20M → 21M65207-143#9820#9963
21M → 35K19258-241#9963#10204
35K → 23M82199-117#10204#10321
23M → 24M8373+10#10321#10311
24M → 40K9268+24#10311#10287
40K → 25.2M7414+60#10287#10227
25.2M → Finish14922+127#10227#10100
TOTALS15652698-1137
📊

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