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BOSTON MARATHON 2025

John Hallock

Bib: 4803•M

PA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:36
Rank: #24327
Start → 5K
29:36 | 9:32/mi
10K· 6.21 mi
58:54
Rank: #24118 (+209)
5K → 10K
29:18 | 9:26/mi
15K· 9.32 mi
1:27:34
Rank: #23734 (+384)
10K → 15K
28:40 | 9:14/mi
20K· 12.43 mi
1:56:14
Rank: #23292 (+442)
15K → 20K
28:40 | 9:14/mi
Half· 13.11 mi
2:02:32
Rank: #23273 (+19)
20K → Half
6:18 | 9:14/mi
25K· 15.53 mi
2:25:17
Rank: #22964 (+309)
Half → 25K
22:45 | 9:23/mi
30K· 18.64 mi
2:55:51
Rank: #22614 (+350)
25K → 30K
30:34 | 9:50/mi
20M
3:09:35
Rank: #22485 (+129)
30K → 20M
13:44 | 10:06/mi
21M
3:22:42
Rank: #22730 (-245)
20M → 21M
13:07 | 13:07/mi
35K· 21.75 mi
3:30:13
Rank: #22688 (+42)
21M → 35K
7:31 | 10:03/mi
23M
3:46:14
Rank: #23016 (-328)
35K → 23M
16:01 | 12:48/mi
24M
3:56:05
Rank: #22908 (+108)
23M → 24M
9:51 | 9:51/mi
40K· 24.85 mi
4:04:13
Rank: #22753 (+155)
24M → 40K
8:08 | 9:31/mi
25.2M
4:07:43
Rank: #22682 (+71)
40K → 25.2M
3:30 | 10:09/mi
Finish· 26.22 mi
4:16:53
Rank: #22580 (+102)
25.2M → Finish
9:10 | 9:00/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:02:32
Pace9:21 /mi
2nd Half
Distance13.11 mi
Time2:14:21
Pace10:15 /mi
📊Positive Split: 9.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:02:4129:369:3229:36
9:32
-
10K
6.21 mi11:31:5958:549:2929:18
9:26
-0:06
15K
9.32 mi12:00:391:27:349:2428:40
9:14
-0:12
20K
12.43 mi12:29:191:56:149:2128:40
9:14
0:00
Half
13.11 mi12:35:372:02:329:216:18
9:14
0:00
25K
15.53 mi12:58:222:25:179:2122:45
9:23
+0:09
30K
18.64 mi13:28:562:55:519:2630:34
9:50
+0:27
20M
20.00 mi13:42:403:09:359:2913:44
10:06
+0:16
21M
21.00 mi13:55:473:22:429:3913:07
13:07
+3:01
35K
21.75 mi14:03:183:30:139:407:31
10:03
-3:04
23M
23.00 mi14:19:193:46:149:5016:01
12:48
+2:45
24M
24.00 mi14:29:103:56:059:509:51
9:51
-2:57
40K
24.85 mi14:37:184:04:139:508:08
9:31
-0:20
25.2M
25.20 mi14:40:484:07:439:503:30
10:09
+0:38
Finish
26.22 mi14:49:584:16:539:489:10
9:00
-1:09

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

9:00 /mi

Average Pace

9:48 /mi

Slowest Pace

13:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

3:44:15

87% of race

Time at Slower Pace

32:38

13% of race

Average Pace: 9:48 /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 mi11:02:4129:369:3229:36
9:32
#24327
10K
6.21 mi11:31:5958:549:2929:18
9:26
#24118
15K
9.32 mi12:00:391:27:349:2428:40
9:14
#23734
20K
12.43 mi12:29:191:56:149:2128:40
9:14
#23292
Half
13.11 mi12:35:372:02:329:216:18
9:14
#23273
25K
15.53 mi12:58:222:25:179:2122:45
9:23
#22964
30K
18.64 mi13:28:562:55:519:2630:34
9:50
#22614
20M
20.00 mi13:42:403:09:359:2913:44
10:06
#22485
21M
21.00 mi13:55:473:22:429:3913:07
13:07
#22730
35K
21.75 mi14:03:183:30:139:407:31
10:03
#22688
23M
23.00 mi14:19:193:46:149:5016:01
12:48
#23016
24M
24.00 mi14:29:103:56:059:509:51
9:51
#22908
40K
24.85 mi14:37:184:04:139:508:08
9:31
#22753
25.2M
25.20 mi14:40:484:07:439:503:30
10:09
#22682
Finish
26.22 mi14:49:584:16:539:489:10
9:00
#22580
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi24327143991439922942(Top 81%)13807(Top 86%)13807(Top 245%)
10K6.21 mi3.10 mi24118+20914307+9214307+9223918(Top 84%)14220(Top 88%)14220(Top 252%)
15K9.32 mi3.11 mi23734+38414136+17114136+17122942(Top 81%)13807(Top 86%)13807(Top 245%)
20K12.43 mi3.11 mi23292+44213948+18813948+18821993(Top 77%)13359(Top 83%)13359(Top 237%)
Half13.11 mi0.68 mi23273+1913939+913939+922707(Top 80%)13654(Top 85%)13654(Top 242%)
25K15.53 mi2.42 mi22964+30913780+15913780+15921482(Top 76%)13081(Top 81%)13081(Top 232%)
30K18.64 mi3.11 mi22614+35013576+20413576+20421119(Top 74%)12774(Top 79%)12774(Top 226%)
20M20.00 mi1.36 mi22485+12913501+7513501+7521297(Top 75%)12729(Top 79%)12729(Top 226%)
21M21.00 mi1.00 mi22730-24513593-9213593-9225201(Top 89%)14466(Top 90%)14466(Top 256%)
35K21.75 mi0.75 mi22688+4213559+3413559+3422027(Top 78%)12929(Top 80%)12929(Top 229%)
23M23.00 mi1.25 mi23016-32813685-12613685-12626140(Top 92%)14911(Top 93%)14911(Top 264%)
24M24.00 mi1.00 mi22908+10813609+7613609+7620892(Top 74%)12294(Top 76%)12294(Top 218%)
40K24.85 mi0.85 mi22753+15513526+8313526+8318755(Top 66%)11212(Top 70%)11212(Top 199%)
25.2M25.20 mi0.35 mi22682+7113484+4213484+4217676(Top 62%)10699(Top 66%)10699(Top 190%)
Finish26.22 mi1.02 mi22580+10213416+6813416+6819016(Top 67%)11370(Top 71%)11370(Top 202%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21stories
+97ft-345ft

Overall

22942

Males

13807

M18-39

13807

5K→10K

3.1 - 6.2 mi

Top 84%
×5stories
+79ft-138ft

Overall

23918

Males

14220

M18-39

14220

10K→15K

6.2 - 9.3 mi

Top 81%
×3stories
+67ft-78ft

Overall

22942

Males

13807

M18-39

13807

15K→20K

9.3 - 12.4 mi

Top 77%
×5stories
+106ft-86ft

Overall

21993

Males

13359

M18-39

13359

20K→Half

12.4 - 13.1 mi

Top 80%
×2stories
+19ft-37ft

Overall

22707

Males

13654

M18-39

13654

Half→25K

13.1 - 15.5 mi

Top 76%
×4stories
+66ft-88ft

Overall

21482

Males

13081

M18-39

13081

25K→30K

15.5 - 18.6 mi

Top 74%
×9stories
+181ft-148ft

Overall

21119

Males

12774

M18-39

12774

30K→20M

18.6 - 20.0 mi

Top 75%
×5stories
+64ft-50ft

Overall

21297

Males

12729

M18-39

12729

20M→21M

20.0 - 21.0 mi

Top 89%
×8stories
+106ft-24ft

Overall

25201

Males

14466

M18-39

14466

21M→35K

21.0 - 21.8 mi

Top 78%
×7stories
+17ft-86ft

Overall

22027

Males

12929

M18-39

12929

35K→23M

21.8 - 23.0 mi

Top 92%
×5stories
+23ft-63ft

Overall

26140

Males

14911

M18-39

14911

23M→24M

23.0 - 24.0 mi

Top 74%
×6stories
+12ft-82ft

Overall

20892

Males

12294

M18-39

12294

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

18755

Males

11212

M18-39

11212

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

17676

Males

10699

M18-39

10699

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2stories
+22ft-21ft

Overall

19016

Males

11370

M18-39

11370

Passing Analysis

Category:
Athletes Passed
2674
Passed By
927
Net Change
+1747
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24327
5K → 10K355146+209#24327#24118
10K → 15K40521+384#24118#23734
15K → 20K4519+442#23734#23292
20K → Half4223+19#23292#23273
Half → 25K32819+309#23273#22964
25K → 30K37323+350#22964#22614
30K → 20M14718+129#22614#22485
20M → 21M26271-245#22485#22730
21M → 35K7230+42#22730#22688
35K → 23M14342-328#22688#23016
23M → 24M12113+108#23016#22908
24M → 40K1583+155#22908#22753
40K → 25.2M710+71#22753#22682
25.2M → Finish1119+102#22682#22580
TOTALS2674927+1747
📊

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