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BOSTON MARATHON 2025

Josiah Christian

Bib: 8522•M

CO

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 10%
Gender (Male)
#0 / 16105
Top 17%
Division (M18-39)
#0 / 5642
Top 38%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:42
Rank: #2691
Start → 5K
19:42 | 6:20/mi
10K· 6.21 mi
39:23
Rank: #2659 (+32)
5K → 10K
19:41 | 6:20/mi
15K· 9.32 mi
59:02
Rank: #2598 (+61)
10K → 15K
19:39 | 6:19/mi
20K· 12.43 mi
1:18:55
Rank: #2547 (+51)
15K → 20K
19:53 | 6:24/mi
Half· 13.11 mi
1:23:15
Rank: #2560 (-13)
20K → Half
4:20 | 6:21/mi
25K· 15.53 mi
1:39:02
Rank: #2597 (-37)
Half → 25K
15:47 | 6:31/mi
30K· 18.64 mi
2:00:21
Rank: #2755 (-158)
25K → 30K
21:19 | 6:52/mi
20M
2:09:29
Rank: #2723 (+32)
30K → 20M
9:08 | 6:43/mi
21M
2:16:36
Rank: #2703 (+20)
20M → 21M
7:07 | 7:07/mi
35K· 21.75 mi
2:21:34
Rank: #2693 (+10)
21M → 35K
4:58 | 6:38/mi
23M
2:30:19
Rank: #2716 (-23)
35K → 23M
8:45 | 6:59/mi
24M
2:37:21
Rank: #2759 (-43)
23M → 24M
7:02 | 7:02/mi
40K· 24.85 mi
2:43:28
Rank: #2789 (-30)
24M → 40K
6:07 | 7:09/mi
25.2M
2:46:16
Rank: #2833 (-44)
40K → 25.2M
2:48 | 8:07/mi
Finish· 26.22 mi
2:53:31
Rank: #2909 (-76)
25.2M → Finish
7:15 | 7:07/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:23:15
Pace6:21 /mi
2nd Half
Distance13.11 mi
Time1:30:16
Pace6:53 /mi
📊Positive Split: 8.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:44:5019:426:2019:42
6:20
-
10K
6.21 mi11:04:3139:236:2019:41
6:20
0:00
15K
9.32 mi11:24:1059:026:2019:39
6:19
-0:01
20K
12.43 mi11:44:031:18:556:2119:53
6:24
+0:05
Half
13.11 mi11:48:231:23:156:214:20
6:21
-0:03
25K
15.53 mi12:04:101:39:026:2315:47
6:31
+0:10
30K
18.64 mi12:25:292:00:216:2721:19
6:52
+0:21
20M
20.00 mi12:34:372:09:296:289:08
6:43
-0:09
21M
21.00 mi12:41:442:16:366:307:07
7:07
+0:24
35K
21.75 mi12:46:422:21:346:314:58
6:38
-0:29
23M
23.00 mi12:55:272:30:196:328:45
6:59
+0:21
24M
24.00 mi13:02:292:37:216:337:02
7:02
+0:03
40K
24.85 mi13:08:362:43:286:356:07
7:09
+0:07
25.2M
25.20 mi13:11:242:46:166:362:48
8:07
+0:58
Finish
26.22 mi13:18:392:53:316:377:15
7:07
-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

6:37 /mi

Slowest Pace

8:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:23:15

48% of race

Time at Steady Pace

51:12

30% of race

Time at Slower Pace

39:04

23% of race

Average Pace: 6:37 /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 mi10:44:5019:426:2019:42
6:20
#2691
10K
6.21 mi11:04:3139:236:2019:41
6:20
#2659
15K
9.32 mi11:24:1059:026:2019:39
6:19
#2598
20K
12.43 mi11:44:031:18:556:2119:53
6:24
#2547
Half
13.11 mi11:48:231:23:156:214:20
6:21
#2560
25K
15.53 mi12:04:101:39:026:2315:47
6:31
#2597
30K
18.64 mi12:25:292:00:216:2721:19
6:52
#2755
20M
20.00 mi12:34:372:09:296:289:08
6:43
#2723
21M
21.00 mi12:41:442:16:366:307:07
7:07
#2703
35K
21.75 mi12:46:422:21:346:314:58
6:38
#2693
23M
23.00 mi12:55:272:30:196:328:45
6:59
#2716
24M
24.00 mi13:02:292:37:216:337:02
7:02
#2759
40K
24.85 mi13:08:362:43:286:356:07
7:09
#2789
25.2M
25.20 mi13:11:242:46:166:362:48
8:07
#2833
Finish
26.22 mi13:18:392:53:316:377:15
7:07
#2909
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2691256525652486(Top 9%)2371(Top 15%)2371(Top 42%)
10K6.21 mi3.10 mi2659+322533+322533+322639(Top 9%)2516(Top 16%)2516(Top 45%)
15K9.32 mi3.11 mi2598+612477+562477+562486(Top 9%)2371(Top 15%)2371(Top 42%)
20K12.43 mi3.11 mi2547+512430+472430+472515(Top 9%)2397(Top 15%)2397(Top 42%)
Half13.11 mi0.68 mi2560-132446-162446-162768(Top 10%)2644(Top 16%)2644(Top 47%)
25K15.53 mi2.42 mi2597-372479-332479-332930(Top 10%)2786(Top 17%)2786(Top 49%)
30K18.64 mi3.11 mi2755-1582626-1472626-1473804(Top 13%)3512(Top 22%)3512(Top 62%)
20M20.00 mi1.36 mi2723+322593+332593+332543(Top 9%)2391(Top 15%)2391(Top 42%)
21M21.00 mi1.00 mi2703+202574+192574+192738(Top 10%)2541(Top 16%)2541(Top 45%)
35K21.75 mi0.75 mi2693+102562+122562+123119(Top 11%)2861(Top 18%)2861(Top 51%)
23M23.00 mi1.25 mi2716-232580-182580-183660(Top 13%)3304(Top 21%)3304(Top 59%)
24M24.00 mi1.00 mi2759-432616-362616-364782(Top 17%)4096(Top 25%)4096(Top 73%)
40K24.85 mi0.85 mi2789-302643-272643-274736(Top 17%)4014(Top 25%)4014(Top 71%)
25.2M25.20 mi0.35 mi2833-442681-382681-386459(Top 23%)4988(Top 31%)4988(Top 88%)
Finish26.22 mi1.02 mi2909-762746-652746-656423(Top 23%)4981(Top 31%)4981(Top 88%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21stories
+97ft-345ft

Overall

2486

Males

2371

M18-39

2371

5K→10K

3.1 - 6.2 mi

Top 9%
×5stories
+79ft-138ft

Overall

2639

Males

2516

M18-39

2516

10K→15K

6.2 - 9.3 mi

Top 9%
×3stories
+67ft-78ft

Overall

2486

Males

2371

M18-39

2371

15K→20K

9.3 - 12.4 mi

Top 9%
×5stories
+106ft-86ft

Overall

2515

Males

2397

M18-39

2397

20K→Half

12.4 - 13.1 mi

Top 10%
×2stories
+19ft-37ft

Overall

2768

Males

2644

M18-39

2644

Half→25K

13.1 - 15.5 mi

Top 10%
×4stories
+66ft-88ft

Overall

2930

Males

2786

M18-39

2786

25K→30K

15.5 - 18.6 mi

Top 13%
×9stories
+181ft-148ft

Overall

3804

Males

3512

M18-39

3512

30K→20M

18.6 - 20.0 mi

Top 9%
×5stories
+64ft-50ft

Overall

2543

Males

2391

M18-39

2391

20M→21M

20.0 - 21.0 mi

Top 10%
×8stories
+106ft-24ft

Overall

2738

Males

2541

M18-39

2541

21M→35K

21.0 - 21.8 mi

Top 11%
×7stories
+17ft-86ft

Overall

3119

Males

2861

M18-39

2861

35K→23M

21.8 - 23.0 mi

Top 13%
×5stories
+23ft-63ft

Overall

3660

Males

3304

M18-39

3304

23M→24M

23.0 - 24.0 mi

Top 17%
×6stories
+12ft-82ft

Overall

4782

Males

4096

M18-39

4096

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4736

Males

4014

M18-39

4014

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

6459

Males

4988

M18-39

4988

25.2M→Finish

25.2 - 26.2 mi

Top 23%
×2stories
+22ft-21ft

Overall

6423

Males

4981

M18-39

4981

Passing Analysis

Category:
Athletes Passed
735
Passed By
953
Net Change
-218
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2691
5K → 10K13199+32#2691#2659
10K → 15K10847+61#2659#2598
15K → 20K9948+51#2598#2547
20K → Half1124-13#2547#2560
Half → 25K4986-37#2560#2597
25K → 30K49207-158#2597#2755
30K → 20M7240+32#2755#2723
20M → 21M6040+20#2723#2703
21M → 35K3121+10#2703#2693
35K → 23M4770-23#2693#2716
23M → 24M2972-43#2716#2759
24M → 40K2757-30#2759#2789
40K → 25.2M953-44#2789#2833
25.2M → Finish1389-76#2833#2909
TOTALS735953-218
📊

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