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BOSTON MARATHON 2025

John Darst

Bib: 5292•M

CO

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 9%
Gender (Male)
#0 / 16105
Top 16%
Division (M18-39)
#0 / 5642
Top 36%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:42
Rank: #2705
Start → 5K
19:42 | 6:20/mi
10K· 6.21 mi
39:18
Rank: #2597 (+108)
5K → 10K
19:36 | 6:19/mi
15K· 9.32 mi
59:04
Rank: #2630 (-33)
10K → 15K
19:46 | 6:22/mi
20K· 12.43 mi
1:19:11
Rank: #2688 (-58)
15K → 20K
20:07 | 6:28/mi
Half· 13.11 mi
1:23:31
Rank: #2683 (+5)
20K → Half
4:20 | 6:21/mi
25K· 15.53 mi
1:39:10
Rank: #2651 (+32)
Half → 25K
15:39 | 6:27/mi
30K· 18.64 mi
1:59:45
Rank: #2578 (+73)
25K → 30K
20:35 | 6:38/mi
20M
2:08:50
Rank: #2521 (+57)
30K → 20M
9:05 | 6:41/mi
21M
2:15:58
Rank: #2517 (+4)
20M → 21M
7:08 | 7:08/mi
35K· 21.75 mi
2:20:48
Rank: #2493 (+24)
21M → 35K
4:50 | 6:28/mi
23M
2:29:22
Rank: #2492 (+1)
35K → 23M
8:34 | 6:51/mi
24M
2:36:12
Rank: #2513 (-21)
23M → 24M
6:50 | 6:50/mi
40K· 24.85 mi
2:42:14
Rank: #2540 (-27)
24M → 40K
6:02 | 7:03/mi
25.2M
2:44:57
Rank: #2571 (-31)
40K → 25.2M
2:43 | 7:53/mi
Finish· 26.22 mi
2:52:15
Rank: #2683 (-112)
25.2M → Finish
7:18 | 7:10/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:23:31
Pace6:22 /mi
2nd Half
Distance13.11 mi
Time1:28:44
Pace6:46 /mi
📊Positive Split: 6.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:0019:426:2019:42
6:20
-
10K
6.21 mi10:43:3639:186:1919:36
6:19
-0:01
15K
9.32 mi11:03:2259:046:2019:46
6:22
+0:03
20K
12.43 mi11:23:291:19:116:2220:07
6:28
+0:06
Half
13.11 mi11:27:491:23:316:224:20
6:21
-0:07
25K
15.53 mi11:43:281:39:106:2315:39
6:27
+0:06
30K
18.64 mi12:04:031:59:456:2520:35
6:38
+0:11
20M
20.00 mi12:13:082:08:506:269:05
6:41
+0:03
21M
21.00 mi12:20:162:15:586:287:08
7:08
+0:27
35K
21.75 mi12:25:062:20:486:284:50
6:28
-0:40
23M
23.00 mi12:33:402:29:226:308:34
6:51
+0:23
24M
24.00 mi12:40:302:36:126:316:50
6:50
-0:01
40K
24.85 mi12:46:322:42:146:326:02
7:03
+0:13
25.2M
25.20 mi12:49:152:44:576:332:43
7:53
+0:50
Finish
26.22 mi12:56:332:52:156:347:18
7:10
-0:43

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

6:19 /mi

Average Pace

6:34 /mi

Slowest Pace

7:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:03:24

37% of race

Time at Steady Pace

1:17:06

45% of race

Time at Slower Pace

31:45

18% of race

Average Pace: 6:34 /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 mi10:24:0019:426:2019:42
6:20
#2705
10K
6.21 mi10:43:3639:186:1919:36
6:19
#2597
15K
9.32 mi11:03:2259:046:2019:46
6:22
#2630
20K
12.43 mi11:23:291:19:116:2220:07
6:28
#2688
Half
13.11 mi11:27:491:23:316:224:20
6:21
#2683
25K
15.53 mi11:43:281:39:106:2315:39
6:27
#2651
30K
18.64 mi12:04:031:59:456:2520:35
6:38
#2578
20M
20.00 mi12:13:082:08:506:269:05
6:41
#2521
21M
21.00 mi12:20:162:15:586:287:08
7:08
#2517
35K
21.75 mi12:25:062:20:486:284:50
6:28
#2493
23M
23.00 mi12:33:402:29:226:308:34
6:51
#2492
24M
24.00 mi12:40:302:36:126:316:50
6:50
#2513
40K
24.85 mi12:46:322:42:146:326:02
7:03
#2540
25.2M
25.20 mi12:49:152:44:576:332:43
7:53
#2571
Finish
26.22 mi12:56:332:52:156:347:18
7:10
#2683
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2705257925792711(Top 10%)2582(Top 16%)2582(Top 46%)
10K6.21 mi3.10 mi2597+1082475+1042475+1042479(Top 9%)2369(Top 15%)2369(Top 42%)
15K9.32 mi3.11 mi2630-332508-332508-332711(Top 10%)2582(Top 16%)2582(Top 46%)
20K12.43 mi3.11 mi2688-582563-552563-552980(Top 10%)2837(Top 18%)2837(Top 50%)
Half13.11 mi0.68 mi2683+52559+42559+42836(Top 10%)2712(Top 17%)2712(Top 48%)
25K15.53 mi2.42 mi2651+322532+272532+272654(Top 9%)2527(Top 16%)2527(Top 45%)
30K18.64 mi3.11 mi2578+732463+692463+692526(Top 9%)2392(Top 15%)2392(Top 42%)
20M20.00 mi1.36 mi2521+572405+582405+582408(Top 8%)2275(Top 14%)2275(Top 40%)
21M21.00 mi1.00 mi2517+42400+52400+52842(Top 10%)2636(Top 16%)2636(Top 47%)
35K21.75 mi0.75 mi2493+242376+242376+242310(Top 8%)2162(Top 13%)2162(Top 38%)
23M23.00 mi1.25 mi2492+12371+52371+52924(Top 10%)2679(Top 17%)2679(Top 47%)
24M24.00 mi1.00 mi2513-212388-172388-173711(Top 13%)3307(Top 21%)3307(Top 59%)
40K24.85 mi0.85 mi2540-272409-212409-214215(Top 15%)3652(Top 23%)3652(Top 65%)
25.2M25.20 mi0.35 mi2571-312436-272436-275268(Top 19%)4289(Top 27%)4289(Top 76%)
Finish26.22 mi1.02 mi2683-1122539-1032539-1036783(Top 24%)5193(Top 32%)5193(Top 92%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21stories
+97ft-345ft

Overall

2711

Males

2582

M18-39

2582

5K→10K

3.1 - 6.2 mi

Top 9%
×5stories
+79ft-138ft

Overall

2479

Males

2369

M18-39

2369

10K→15K

6.2 - 9.3 mi

Top 10%
×3stories
+67ft-78ft

Overall

2711

Males

2582

M18-39

2582

15K→20K

9.3 - 12.4 mi

Top 10%
×5stories
+106ft-86ft

Overall

2980

Males

2837

M18-39

2837

20K→Half

12.4 - 13.1 mi

Top 10%
×2stories
+19ft-37ft

Overall

2836

Males

2712

M18-39

2712

Half→25K

13.1 - 15.5 mi

Top 9%
×4stories
+66ft-88ft

Overall

2654

Males

2527

M18-39

2527

25K→30K

15.5 - 18.6 mi

Top 9%
×9stories
+181ft-148ft

Overall

2526

Males

2392

M18-39

2392

30K→20M

18.6 - 20.0 mi

Top 8%
×5stories
+64ft-50ft

Overall

2408

Males

2275

M18-39

2275

20M→21M

20.0 - 21.0 mi

Top 10%
×8stories
+106ft-24ft

Overall

2842

Males

2636

M18-39

2636

21M→35K

21.0 - 21.8 mi

Top 8%
×7stories
+17ft-86ft

Overall

2310

Males

2162

M18-39

2162

35K→23M

21.8 - 23.0 mi

Top 10%
×5stories
+23ft-63ft

Overall

2924

Males

2679

M18-39

2679

23M→24M

23.0 - 24.0 mi

Top 13%
×6stories
+12ft-82ft

Overall

3711

Males

3307

M18-39

3307

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

4215

Males

3652

M18-39

3652

40K→25.2M

24.9 - 25.2 mi

Top 19%
×1story
+13ft-16ft

Overall

5268

Males

4289

M18-39

4289

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2stories
+22ft-21ft

Overall

6783

Males

5193

M18-39

5193

Passing Analysis

Category:
Athletes Passed
815
Passed By
793
Net Change
+22
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2705
5K → 10K17567+108#2705#2597
10K → 15K72105-33#2597#2630
15K → 20K48106-58#2630#2688
20K → Half2116+5#2688#2683
Half → 25K7543+32#2683#2651
25K → 30K12451+73#2651#2578
30K → 20M7922+57#2578#2521
20M → 21M4945+4#2521#2517
21M → 35K4218+24#2517#2493
35K → 23M5150+1#2493#2492
23M → 24M3657-21#2492#2513
24M → 40K2956-27#2513#2540
40K → 25.2M738-31#2540#2571
25.2M → Finish7119-112#2571#2683
TOTALS815793+22
📊

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