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BOSTON MARATHON 2025

King Jemison

Bib: 5139•M

PA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 8%
Gender (Male)
#0 / 16105
Top 14%
Division (M18-39)
#0 / 5642
Top 32%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:52
Rank: #3068
Start → 5K
19:52 | 6:24/mi
10K· 6.21 mi
39:55
Rank: #3219 (-151)
5K → 10K
20:03 | 6:27/mi
15K· 9.32 mi
1:00:00
Rank: #3242 (-23)
10K → 15K
20:05 | 6:28/mi
20K· 12.43 mi
1:20:11
Rank: #3172 (+70)
15K → 20K
20:11 | 6:30/mi
Half· 13.11 mi
1:24:34
Rank: #3170 (+2)
20K → Half
4:23 | 6:25/mi
25K· 15.53 mi
1:40:19
Rank: #3099 (+71)
Half → 25K
15:45 | 6:30/mi
30K· 18.64 mi
2:00:46
Rank: #2906 (+193)
25K → 30K
20:27 | 6:35/mi
20M
2:09:46
Rank: #2801 (+105)
30K → 20M
9:00 | 6:37/mi
21M
2:16:38
Rank: #2709 (+92)
20M → 21M
6:52 | 6:52/mi
35K· 21.75 mi
2:21:18
Rank: #2620 (+89)
21M → 35K
4:40 | 6:14/mi
23M
2:29:32
Rank: #2524 (+96)
35K → 23M
8:14 | 6:35/mi
24M
2:35:53
Rank: #2437 (+87)
23M → 24M
6:21 | 6:21/mi
40K· 24.85 mi
2:41:28
Rank: #2388 (+49)
24M → 40K
5:35 | 6:32/mi
25.2M
2:43:57
Rank: #2377 (+11)
40K → 25.2M
2:29 | 7:12/mi
Finish· 26.22 mi
2:50:26
Rank: #2342 (+35)
25.2M → Finish
6:29 | 6:22/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:24:34
Pace6:27 /mi
2nd Half
Distance13.11 mi
Time1:25:52
Pace6:33 /mi
📊Positive Split: 1.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:2119:526:2419:52
6:24
-
10K
6.21 mi10:44:2439:556:2520:03
6:27
+0:03
15K
9.32 mi11:04:291:00:006:2620:05
6:28
+0:01
20K
12.43 mi11:24:401:20:116:2720:11
6:30
+0:02
Half
13.11 mi11:29:031:24:346:274:23
6:25
-0:05
25K
15.53 mi11:44:481:40:196:2715:45
6:30
+0:05
30K
18.64 mi12:05:152:00:466:2920:27
6:35
+0:05
20M
20.00 mi12:14:152:09:466:299:00
6:37
+0:02
21M
21.00 mi12:21:072:16:386:306:52
6:52
+0:15
35K
21.75 mi12:25:472:21:186:304:40
6:14
-0:38
23M
23.00 mi12:34:012:29:326:308:14
6:35
+0:21
24M
24.00 mi12:40:222:35:536:306:21
6:21
-0:14
40K
24.85 mi12:45:572:41:286:305:35
6:32
+0:11
25.2M
25.20 mi12:48:262:43:576:302:29
7:12
+0:40
Finish
26.22 mi12:54:552:50:266:306:29
6:22
-0:50

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

6:14 /mi

Average Pace

6:30 /mi

Slowest Pace

7:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:41:05

95% of race

Time at Steady Pace

9:21

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:30 /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 mi10:24:2119:526:2419:52
6:24
#3068
10K
6.21 mi10:44:2439:556:2520:03
6:27
#3219
15K
9.32 mi11:04:291:00:006:2620:05
6:28
#3242
20K
12.43 mi11:24:401:20:116:2720:11
6:30
#3172
Half
13.11 mi11:29:031:24:346:274:23
6:25
#3170
25K
15.53 mi11:44:481:40:196:2715:45
6:30
#3099
30K
18.64 mi12:05:152:00:466:2920:27
6:35
#2906
20M
20.00 mi12:14:152:09:466:299:00
6:37
#2801
21M
21.00 mi12:21:072:16:386:306:52
6:52
#2709
35K
21.75 mi12:25:472:21:186:304:40
6:14
#2620
23M
23.00 mi12:34:012:29:326:308:14
6:35
#2524
24M
24.00 mi12:40:222:35:536:306:21
6:21
#2437
40K
24.85 mi12:45:572:41:286:305:35
6:32
#2388
25.2M
25.20 mi12:48:262:43:576:302:29
7:12
#2377
Finish
26.22 mi12:54:552:50:266:306:29
6:22
#2342
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3068291329133313(Top 12%)3143(Top 20%)3143(Top 56%)
10K6.21 mi3.10 mi3219-1513059-1463059-1463380(Top 12%)3209(Top 20%)3209(Top 57%)
15K9.32 mi3.11 mi3242-233082-233082-233313(Top 12%)3143(Top 20%)3143(Top 56%)
20K12.43 mi3.11 mi3172+703021+613021+613093(Top 11%)2936(Top 18%)2936(Top 52%)
Half13.11 mi0.68 mi3170+23020+13020+13154(Top 11%)2995(Top 19%)2995(Top 53%)
25K15.53 mi2.42 mi3099+712954+662954+662856(Top 10%)2717(Top 17%)2717(Top 48%)
30K18.64 mi3.11 mi2906+1932767+1872767+1872331(Top 8%)2209(Top 14%)2209(Top 39%)
20M20.00 mi1.36 mi2801+1052668+992668+992115(Top 7%)2002(Top 12%)2002(Top 35%)
21M21.00 mi1.00 mi2709+922579+892579+891753(Top 6%)1654(Top 10%)1654(Top 29%)
35K21.75 mi0.75 mi2620+892495+842495+841391(Top 5%)1318(Top 8%)1318(Top 23%)
23M23.00 mi1.25 mi2524+962402+932402+931731(Top 6%)1619(Top 10%)1619(Top 29%)
24M24.00 mi1.00 mi2437+872319+832319+831486(Top 5%)1390(Top 9%)1390(Top 25%)
40K24.85 mi0.85 mi2388+492269+502269+501719(Top 6%)1589(Top 10%)1589(Top 28%)
25.2M25.20 mi0.35 mi2377+112256+132256+132114(Top 7%)1903(Top 12%)1903(Top 34%)
Finish26.22 mi1.02 mi2342+352220+362220+362134(Top 8%)1952(Top 12%)1952(Top 35%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21stories
+97ft-345ft

Overall

3313

Males

3143

M18-39

3143

5K→10K

3.1 - 6.2 mi

Top 12%
×5stories
+79ft-138ft

Overall

3380

Males

3209

M18-39

3209

10K→15K

6.2 - 9.3 mi

Top 12%
×3stories
+67ft-78ft

Overall

3313

Males

3143

M18-39

3143

15K→20K

9.3 - 12.4 mi

Top 11%
×5stories
+106ft-86ft

Overall

3093

Males

2936

M18-39

2936

20K→Half

12.4 - 13.1 mi

Top 11%
×2stories
+19ft-37ft

Overall

3154

Males

2995

M18-39

2995

Half→25K

13.1 - 15.5 mi

Top 10%
×4stories
+66ft-88ft

Overall

2856

Males

2717

M18-39

2717

25K→30K

15.5 - 18.6 mi

Top 8%
×9stories
+181ft-148ft

Overall

2331

Males

2209

M18-39

2209

30K→20M

18.6 - 20.0 mi

Top 7%
×5stories
+64ft-50ft

Overall

2115

Males

2002

M18-39

2002

20M→21M

20.0 - 21.0 mi

Top 6%
×8stories
+106ft-24ft

Overall

1753

Males

1654

M18-39

1654

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1391

Males

1318

M18-39

1318

35K→23M

21.8 - 23.0 mi

Top 6%
×5stories
+23ft-63ft

Overall

1731

Males

1619

M18-39

1619

23M→24M

23.0 - 24.0 mi

Top 5%
×6stories
+12ft-82ft

Overall

1486

Males

1390

M18-39

1390

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1719

Males

1589

M18-39

1589

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

2114

Males

1903

M18-39

1903

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2stories
+22ft-21ft

Overall

2134

Males

1952

M18-39

1952

Passing Analysis

Category:
Athletes Passed
1248
Passed By
522
Net Change
+726
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3068
5K → 10K77228-151#3068#3219
10K → 15K77100-23#3219#3242
15K → 20K11343+70#3242#3172
20K → Half1715+2#3172#3170
Half → 25K10332+71#3170#3099
25K → 30K22734+193#3099#2906
30K → 20M1138+105#2906#2801
20M → 21M1008+92#2801#2709
21M → 35K901+89#2709#2620
35K → 23M1037+96#2620#2524
23M → 24M914+87#2524#2437
24M → 40K6213+49#2437#2388
40K → 25.2M2413+11#2388#2377
25.2M → Finish5116+35#2377#2342
TOTALS1248522+726
📊

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