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BOSTON MARATHON 2025

James Kliebhan

Bib: 3663•M

IL

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 26%
Gender (Male)
#0 / 16105
Top 39%
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
20:57
Rank: #5827
Start → 5K
20:57 | 6:45/mi
10K· 6.21 mi
42:11
Rank: #6192 (-365)
5K → 10K
21:14 | 6:50/mi
15K· 9.32 mi
1:03:34
Rank: #6403 (-211)
10K → 15K
21:23 | 6:53/mi
20K· 12.43 mi
1:25:03
Rank: #6344 (+59)
15K → 20K
21:29 | 6:55/mi
Half· 13.11 mi
1:29:40
Rank: #6313 (+31)
20K → Half
4:37 | 6:46/mi
25K· 15.53 mi
1:46:46
Rank: #6356 (-43)
Half → 25K
17:06 | 7:03/mi
30K· 18.64 mi
2:10:31
Rank: #6681 (-325)
25K → 30K
23:45 | 7:39/mi
20M
2:21:26
Rank: #6838 (-157)
30K → 20M
10:55 | 8:02/mi
21M
2:30:14
Rank: #7079 (-241)
20M → 21M
8:48 | 8:48/mi
35K· 21.75 mi
2:36:23
Rank: #7255 (-176)
21M → 35K
6:09 | 8:13/mi
23M
2:46:48
Rank: #7473 (-218)
35K → 23M
10:25 | 8:19/mi
24M
2:54:33
Rank: #7519 (-46)
23M → 24M
7:45 | 7:45/mi
40K· 24.85 mi
3:00:57
Rank: #7432 (+87)
24M → 40K
6:24 | 7:29/mi
25.2M
3:03:59
Rank: #7474 (-42)
40K → 25.2M
3:02 | 8:48/mi
Finish· 26.22 mi
3:11:06
Rank: #7353 (+121)
25.2M → Finish
7:07 | 6:59/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:40
Pace6:50 /mi
2nd Half
Distance13.11 mi
Time1:41:26
Pace7:44 /mi
📊Positive Split: 13.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:4520:576:4520:57
6:45
-
10K
6.21 mi10:44:5942:116:4721:14
6:50
+0:05
15K
9.32 mi11:06:221:03:346:4921:23
6:53
+0:03
20K
12.43 mi11:27:511:25:036:5121:29
6:55
+0:02
Half
13.11 mi11:32:281:29:406:504:37
6:46
-0:09
25K
15.53 mi11:49:341:46:466:5217:06
7:03
+0:17
30K
18.64 mi12:13:192:10:317:0023:45
7:39
+0:36
20M
20.00 mi12:24:142:21:267:0410:55
8:02
+0:23
21M
21.00 mi12:33:022:30:147:098:48
8:48
+0:46
35K
21.75 mi12:39:112:36:237:116:09
8:13
-0:35
23M
23.00 mi12:49:362:46:487:1510:25
8:19
+0:06
24M
24.00 mi12:57:212:54:337:167:45
7:45
-0:34
40K
24.85 mi13:03:453:00:577:176:24
7:29
-0:16
25.2M
25.20 mi13:06:473:03:597:183:02
8:48
+1:19
Finish
26.22 mi13:13:543:11:067:187:07
6:59
-1:49

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

6:45 /mi

Average Pace

7:18 /mi

Slowest Pace

8:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:53:53

60% of race

Time at Steady Pace

37:54

20% of race

Time at Slower Pace

39:19

21% of race

Average Pace: 7:17 /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 mi10:23:4520:576:4520:57
6:45
#5827
10K
6.21 mi10:44:5942:116:4721:14
6:50
#6192
15K
9.32 mi11:06:221:03:346:4921:23
6:53
#6403
20K
12.43 mi11:27:511:25:036:5121:29
6:55
#6344
Half
13.11 mi11:32:281:29:406:504:37
6:46
#6313
25K
15.53 mi11:49:341:46:466:5217:06
7:03
#6356
30K
18.64 mi12:13:192:10:317:0023:45
7:39
#6681
20M
20.00 mi12:24:142:21:267:0410:55
8:02
#6838
21M
21.00 mi12:33:022:30:147:098:48
8:48
#7079
35K
21.75 mi12:39:112:36:237:116:09
8:13
#7255
23M
23.00 mi12:49:362:46:487:1510:25
8:19
#7473
24M
24.00 mi12:57:212:54:337:167:45
7:45
#7519
40K
24.85 mi13:03:453:00:577:176:24
7:29
#7432
25.2M
25.20 mi13:06:473:03:597:183:02
8:48
#7474
Finish
26.22 mi13:13:543:11:067:187:07
6:59
#7353
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5827537253726818(Top 24%)6113(Top 38%)6113(Top 108%)
10K6.21 mi3.10 mi6192-3655672-3005672-3006730(Top 24%)6068(Top 38%)6068(Top 108%)
15K9.32 mi3.11 mi6403-2115826-1545826-1546818(Top 24%)6113(Top 38%)6113(Top 108%)
20K12.43 mi3.11 mi6344+595757+695757+696302(Top 22%)5667(Top 35%)5667(Top 100%)
Half13.11 mi0.68 mi6313+315729+285729+285821(Top 20%)5308(Top 33%)5308(Top 94%)
25K15.53 mi2.42 mi6356-435751-225751-226651(Top 23%)5867(Top 36%)5867(Top 104%)
30K18.64 mi3.11 mi6681-3255966-2155966-2158771(Top 31%)7012(Top 44%)7012(Top 124%)
20M20.00 mi1.36 mi6838-1576060-946060-9410629(Top 37%)7837(Top 49%)7837(Top 139%)
21M21.00 mi1.00 mi7079-2416208-1486208-14812251(Top 43%)8476(Top 53%)8476(Top 150%)
35K21.75 mi0.75 mi7255-1766307-996307-9913698(Top 48%)9121(Top 57%)9121(Top 162%)
23M23.00 mi1.25 mi7473-2186406-996406-9912125(Top 43%)8282(Top 51%)8282(Top 147%)
24M24.00 mi1.00 mi7519-466396+106396+109417(Top 33%)6851(Top 43%)6851(Top 121%)
40K24.85 mi0.85 mi7432+876310+866310+866689(Top 24%)5246(Top 33%)5246(Top 93%)
25.2M25.20 mi0.35 mi7474-426321-116321-1110467(Top 37%)7159(Top 44%)7159(Top 127%)
Finish26.22 mi1.02 mi7353+1216224+976224+975614(Top 20%)4485(Top 28%)4485(Top 79%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×21stories
+97ft-345ft

Overall

6818

Males

6113

M18-39

6113

5K→10K

3.1 - 6.2 mi

Top 24%
×5stories
+79ft-138ft

Overall

6730

Males

6068

M18-39

6068

10K→15K

6.2 - 9.3 mi

Top 24%
×3stories
+67ft-78ft

Overall

6818

Males

6113

M18-39

6113

15K→20K

9.3 - 12.4 mi

Top 22%
×5stories
+106ft-86ft

Overall

6302

Males

5667

M18-39

5667

20K→Half

12.4 - 13.1 mi

Top 20%
×2stories
+19ft-37ft

Overall

5821

Males

5308

M18-39

5308

Half→25K

13.1 - 15.5 mi

Top 23%
×4stories
+66ft-88ft

Overall

6651

Males

5867

M18-39

5867

25K→30K

15.5 - 18.6 mi

Top 31%
×9stories
+181ft-148ft

Overall

8771

Males

7012

M18-39

7012

30K→20M

18.6 - 20.0 mi

Top 37%
×5stories
+64ft-50ft

Overall

10629

Males

7837

M18-39

7837

20M→21M

20.0 - 21.0 mi

Top 43%
×8stories
+106ft-24ft

Overall

12251

Males

8476

M18-39

8476

21M→35K

21.0 - 21.8 mi

Top 48%
×7stories
+17ft-86ft

Overall

13698

Males

9121

M18-39

9121

35K→23M

21.8 - 23.0 mi

Top 43%
×5stories
+23ft-63ft

Overall

12125

Males

8282

M18-39

8282

23M→24M

23.0 - 24.0 mi

Top 33%
×6stories
+12ft-82ft

Overall

9417

Males

6851

M18-39

6851

24M→40K

24.0 - 24.9 mi

Top 24%
×1story
+6ft-20ft

Overall

6689

Males

5246

M18-39

5246

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1story
+13ft-16ft

Overall

10467

Males

7159

M18-39

7159

25.2M→Finish

25.2 - 26.2 mi

Top 20%
×2stories
+22ft-21ft

Overall

5614

Males

4485

M18-39

4485

Passing Analysis

Category:
Athletes Passed
1050
Passed By
2576
Net Change
-1526
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5827
5K → 10K81446-365#5827#6192
10K → 15K90301-211#6192#6403
15K → 20K163104+59#6403#6344
20K → Half4211+31#6344#6313
Half → 25K109152-43#6313#6356
25K → 30K98423-325#6356#6681
30K → 20M47204-157#6681#6838
20M → 21M38279-241#6838#7079
21M → 35K14190-176#7079#7255
35K → 23M44262-218#7255#7473
23M → 24M58104-46#7473#7519
24M → 40K11427+87#7519#7432
40K → 25.2M1658-42#7432#7474
25.2M → Finish13615+121#7474#7353
TOTALS10502576-1526
📊

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