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BOSTON MARATHON 2025

Zack Jenkins

Bib: 5759•M

CA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 13%
Gender (Male)
#0 / 16105
Top 21%
Division (M18-39)
#0 / 5642
Top 44%
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
6:23/mi
19:51
↑ 97↓ 3451.5%
10K· 6.21 mi
6:19/mi
39:28
↑ 79↓ 1380.4%
15K· 9.32 mi
6:19/mi
59:05
↑ 67↓ 78
20K· 12.43 mi
6:29/mi
1:19:14
↑ 106↓ 860.1%
Half· 13.11 mi
6:23/mi
1:23:35
↑ 19↓ 370.5%
25K· 15.53 mi
6:36/mi
1:39:34
↑ 66↓ 880.2%
30K· 18.64 mi
7:02/mi
2:01:26
↑ 181↓ 1480.2%
20M
7:16/mi
2:11:19
↑ 64↓ 500.2%
21M
8:00/mi
2:19:19
↑ 106↓ 241.6%
35K· 21.75 mi
7:09/mi
2:24:40
↑ 17↓ 861.7%
23M
7:14/mi
2:33:43
↑ 23↓ 630.6%
24M
6:57/mi
2:40:40
↓ 821.3%
40K· 24.85 mi
7:01/mi
2:46:40
↓ 200.3%
25.2M
7:47/mi
2:49:21
↑ 13↓ 160.2%
Finish· 26.22 mi
6:47/mi
2:56:16
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:23:35
Pace6:23 /mi
2nd Half
Distance13.11 mi
Time1:32:41
Pace7:04 /mi
📊Positive Split: 10.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:1519:516:2319:51
6:23
-
10K
6.21 mi10:43:5239:286:2119:37
6:19
-0:04
15K
9.32 mi11:03:2959:056:2019:37
6:19
0:00
20K
12.43 mi11:23:381:19:146:2320:09
6:29
+0:10
Half
13.11 mi11:27:591:23:356:234:21
6:23
-0:06
25K
15.53 mi11:43:581:39:346:2515:59
6:36
+0:13
30K
18.64 mi12:05:502:01:266:3121:52
7:02
+0:26
20M
20.00 mi12:15:432:11:196:349:53
7:16
+0:14
21M
21.00 mi12:23:432:19:196:388:00
8:00
+0:44
35K
21.75 mi12:29:042:24:406:395:21
7:09
-0:51
23M
23.00 mi12:38:072:33:436:419:03
7:14
+0:05
24M
24.00 mi12:45:042:40:406:426:57
6:57
-0:17
40K
24.85 mi12:51:042:46:406:426:00
7:01
+0:04
25.2M
25.20 mi12:53:452:49:216:432:41
7:47
+0:46
Finish
26.22 mi13:00:402:56:166:446:55
6:47
-1:00

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

6:44 /mi

Slowest Pace

8:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:39:34

56% of race

Time at Steady Pace

47:05

27% of race

Time at Slower Pace

29:37

17% of race

Average Pace: 6:43 /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 mi10:24:1519:516:2319:51
6:23
#3052
10K
6.21 mi10:43:5239:286:2119:37
6:19
#2751
15K
9.32 mi11:03:2959:056:2019:37
6:19
#2636
20K
12.43 mi11:23:381:19:146:2320:09
6:29
#2714
Half
13.11 mi11:27:591:23:356:234:21
6:23
#2716
25K
15.53 mi11:43:581:39:346:2515:59
6:36
#2797
30K
18.64 mi12:05:502:01:266:3121:52
7:02
#3127
20M
20.00 mi12:15:432:11:196:349:53
7:16
#3247
21M
21.00 mi12:23:432:19:196:388:00
8:00
#3464
35K
21.75 mi12:29:042:24:406:395:21
7:09
#3525
23M
23.00 mi12:38:072:33:436:419:03
7:14
#3585
24M
24.00 mi12:45:042:40:406:426:57
6:57
#3563
40K
24.85 mi12:51:042:46:406:426:00
7:01
#3553
25.2M
25.20 mi12:53:452:49:216:432:41
7:47
#3561
Finish
26.22 mi13:00:402:56:166:446:55
6:47
#3562
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3052289928992430(Top 9%)2320(Top 14%)2320(Top 41%)
10K6.21 mi3.10 mi2751+3012620+2792620+2792510(Top 9%)2400(Top 15%)2400(Top 43%)
15K9.32 mi3.11 mi2636+1152514+1062514+1062430(Top 9%)2320(Top 14%)2320(Top 41%)
20K12.43 mi3.11 mi2714-782587-732587-733055(Top 11%)2907(Top 18%)2907(Top 52%)
Half13.11 mi0.68 mi2716-22592-52592-52979(Top 10%)2846(Top 18%)2846(Top 50%)
25K15.53 mi2.42 mi2797-812668-762668-763425(Top 12%)3234(Top 20%)3234(Top 57%)
30K18.64 mi3.11 mi3127-3302974-3062974-3064930(Top 17%)4478(Top 28%)4478(Top 79%)
20M20.00 mi1.36 mi3247-1203075-1013075-1015616(Top 20%)4916(Top 31%)4916(Top 87%)
21M21.00 mi1.00 mi3464-2173272-1973272-1977325(Top 26%)5860(Top 36%)5860(Top 104%)
35K21.75 mi0.75 mi3525-613323-513323-516266(Top 22%)5239(Top 33%)5239(Top 93%)
23M23.00 mi1.25 mi3585-603367-443367-445043(Top 18%)4350(Top 27%)4350(Top 77%)
24M24.00 mi1.00 mi3563+223343+243343+244362(Top 15%)3814(Top 24%)3814(Top 68%)
40K24.85 mi0.85 mi3553+103322+213322+214026(Top 14%)3514(Top 22%)3514(Top 62%)
25.2M25.20 mi0.35 mi3561-83326-43326-44770(Top 17%)3968(Top 25%)3968(Top 70%)
Finish26.22 mi1.02 mi3562-13323+33323+34432(Top 16%)3748(Top 23%)3748(Top 66%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21story building
+97ft-345ft

Overall

2430

Males

2320

M18-39

2320

5K→10K

3.1 - 6.2 mi

Top 9%
×5story building
+79ft-138ft

Overall

2510

Males

2400

M18-39

2400

10K→15K

6.2 - 9.3 mi

Top 9%
×3story building
+67ft-78ft

Overall

2430

Males

2320

M18-39

2320

15K→20K

9.3 - 12.4 mi

Top 11%
×5story building
+106ft-86ft

Overall

3055

Males

2907

M18-39

2907

20K→Half

12.4 - 13.1 mi

Top 10%
×2story building
+19ft-37ft

Overall

2979

Males

2846

M18-39

2846

Half→25K

13.1 - 15.5 mi

Top 12%
×4story building
+66ft-88ft

Overall

3425

Males

3234

M18-39

3234

25K→30K

15.5 - 18.6 mi

Top 17%
×9story building
+181ft-148ft

Overall

4930

Males

4478

M18-39

4478

30K→20M

18.6 - 20.0 mi

Top 20%
×5story building
+64ft-50ft

Overall

5616

Males

4916

M18-39

4916

20M→21M

20.0 - 21.0 mi

Top 26%
×8story building
+106ft-24ft

Overall

7325

Males

5860

M18-39

5860

21M→35K

21.0 - 21.8 mi

Top 22%
×7story building
+17ft-86ft

Overall

6266

Males

5239

M18-39

5239

35K→23M

21.8 - 23.0 mi

Top 18%
×5story building
+23ft-63ft

Overall

5043

Males

4350

M18-39

4350

23M→24M

23.0 - 24.0 mi

Top 15%
×6story building
+12ft-82ft

Overall

4362

Males

3814

M18-39

3814

24M→40K

24.0 - 24.9 mi

Top 14%
×1story
+6ft-20ft

Overall

4026

Males

3514

M18-39

3514

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4770

Males

3968

M18-39

3968

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2story building
+22ft-21ft

Overall

4432

Males

3748

M18-39

3748

Passing Analysis

Category:
Athletes Passed
912
Passed By
1422
Net Change
-510
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3052
5K → 10K33029+301#3052#2751
10K → 15K14530+115#2751#2636
15K → 20K43121-78#2636#2714
20K → Half1921-2#2714#2716
Half → 25K43124-81#2716#2797
25K → 30K36366-330#2797#3127
30K → 20M33153-120#3127#3247
20M → 21M7224-217#3247#3464
21M → 35K2586-61#3464#3525
35K → 23M43103-60#3525#3585
23M → 24M6341+22#3585#3563
24M → 40K5343+10#3563#3553
40K → 25.2M2230-8#3553#3561
25.2M → Finish5051-1#3561#3562
TOTALS9121422-510
📊

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