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BOSTON MARATHON 2025

Darren Kelly

Bib: 4978 M IE

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 11%
Gender (Male)
#0 / 16105
Top 18%
Division (M18-39)
#0 / 5642
Top 41%
Race Day Weather
50°/40°F
broken clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
6:20/mi
19:41
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
6:26/mi
39:40
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
6:28/mi
59:45
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
6:35/mi
1:20:11
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
6:25/mi
1:24:34
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
6:31/mi
1:40:22
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
6:48/mi
2:01:29
↑ 181↓ 1480.2%
138 ft elev
20M
6:49/mi
2:10:45
↑ 64↓ 500.2%
148 ft elev
21M
7:16/mi
2:18:01
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
6:38/mi
2:22:59
↑ 17↓ 861.7%
156 ft elev
23M
6:59/mi
2:31:43
↑ 23↓ 630.6%
116 ft elev
24M
6:51/mi
2:38:34
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:09/mi
2:44:41
↓ 200.3%
20 ft elev
25.2M
7:56/mi
2:47:25
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:00/mi
2:54:33
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:24:346:27 /mi⚡ faster
2nd Half
1:29:596:52 /mi+6.4%
Positive split — 6.4% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
19:416:203.11 mi19:41
6:20
-
10K
39:406:233.10 mi19:59
6:26
+0:06
15K
59:456:253.11 mi20:05
6:28
+0:02
20K
1:20:116:273.11 mi20:26
6:35
+0:07
Half(13.11 mi)
1:24:346:270.68 mi4:23
6:25
-0:10
25K
1:40:226:282.42 mi15:48
6:31
+0:06
30K
2:01:296:313.11 mi21:07
6:48
+0:17
20M
2:10:456:321.36 mi9:16
6:49
+0:01
21M
2:18:016:341.00 mi7:16
7:16
+0:27
35K
2:22:596:340.75 mi4:58
6:38
-0:38
23M
2:31:436:361.25 mi8:44
6:59
+0:21
24M
2:38:346:361.00 mi6:51
6:51
-0:08
40K
2:44:416:380.85 mi6:07
7:09
+0:18
25.2M
2:47:256:390.35 mi2:44
7:56
+0:47
Finish(26.22 mi)
2:54:336:401.02 mi7:08
7:00
-0:56
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

6:20 /mi

Average Pace

6:40 /mi

Slowest Pace

7:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:40:22

58% of race

Time at Steady Pace

58:04

33% of race

Time at Slower Pace

16:07

9% of race

Average Pace: 6:39 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi266325382538332131513151
10K3.10 mi2934-2712796-2582796-258324930873087
15K3.11 mi3075-1412928-1322928-132332131513151
20K3.11 mi3175-1003024-963024-96355733673367
Half(13.11 mi)0.68 mi3172+33022+23022+2319130323032
25K2.42 mi3125+472979+432979+43297128252825
30K3.11 mi3137-122982-32982-3341231783178
20M1.36 mi3084+532927+552927+55302828182818
21M1.00 mi3070+142908+192908+19343631483148
35K0.75 mi3044+262883+252883+25313028722872
23M1.25 mi3022+222860+232860+23358132373237
24M1.00 mi3020+22856+42856+4376433383338
40K0.85 mi3047-272875-192875-19474140194019
25.2M0.35 mi3055-82881-62881-6546343814381
Finish(26.22 mi)1.02 mi3131-762949-682949-68568445214521

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21story building
+97ft-345ft

Overall

3321

Males

3151

M18-39

3151

5K→10K

3.1 - 6.2 mi

Top 11%
×5story building
+79ft-138ft

Overall

3249

Males

3087

M18-39

3087

10K→15K

6.2 - 9.3 mi

Top 12%
×3story building
+67ft-78ft

Overall

3321

Males

3151

M18-39

3151

15K→20K

9.3 - 12.4 mi

Top 13%
×5story building
+106ft-86ft

Overall

3557

Males

3367

M18-39

3367

20K→Half

12.4 - 13.1 mi

Top 11%
×2story building
+19ft-37ft

Overall

3191

Males

3032

M18-39

3032

Half→25K

13.1 - 15.5 mi

Top 10%
×4story building
+66ft-88ft

Overall

2971

Males

2825

M18-39

2825

25K→30K

15.5 - 18.6 mi

Top 12%
×9story building
+181ft-148ft

Overall

3412

Males

3178

M18-39

3178

30K→20M

18.6 - 20.0 mi

Top 11%
×5story building
+64ft-50ft

Overall

3028

Males

2818

M18-39

2818

20M→21M

20.0 - 21.0 mi

Top 12%
×8story building
+106ft-24ft

Overall

3436

Males

3148

M18-39

3148

21M→35K

21.0 - 21.8 mi

Top 11%
×7story building
+17ft-86ft

Overall

3130

Males

2872

M18-39

2872

35K→23M

21.8 - 23.0 mi

Top 13%
×5story building
+23ft-63ft

Overall

3581

Males

3237

M18-39

3237

23M→24M

23.0 - 24.0 mi

Top 13%
×6story building
+12ft-82ft

Overall

3764

Males

3338

M18-39

3338

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4741

Males

4019

M18-39

4019

40K→25.2M

24.9 - 25.2 mi

Top 19%
×1story
+13ft-16ft

Overall

5463

Males

4381

M18-39

4381

25.2M→Finish

25.2 - 26.2 mi

Top 20%
×2story building
+22ft-21ft

Overall

5684

Males

4521

M18-39

4521

Passing Analysis

Category:
Passed
716
Passed By
1184
Net Change
-468
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2663
5K → 10K50321-271#2663#2934
10K → 15K41182-141#2934#3075
15K → 20K56156-100#3075#3175
20K → Half1714+3#3175#3172
Half → 25K9245+47#3172#3125
25K → 30K101113-12#3125#3137
30K → 20M8532+53#3137#3084
20M → 21M4632+14#3084#3070
21M → 35K4721+26#3070#3044
35K → 23M7553+22#3044#3022
23M → 24M3937+2#3022#3020
24M → 40K3259-27#3020#3047
40K → 25.2M1826-8#3047#3055
25.2M → Finish1793-76#3055#3131
TOTALS7161184-468

Passing Charts

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