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BOSTON MARATHON 2025

Jim King

Bib: 4068•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 6%
Gender (Male)
#0 / 16105
Top 10%
Masters (Masters Men)
#0 / 10463
Top 3%
Division (M50-54)
#0 / 1996
Top 0.9%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:45
Rank: #2804
Start → 5K
19:45 | 6:21/mi
10K· 6.21 mi
39:37
Rank: #2888 (-84)
5K → 10K
19:52 | 6:24/mi
15K· 9.32 mi
59:15
Rank: #2718 (+170)
10K → 15K
19:38 | 6:19/mi
20K· 12.43 mi
1:18:56
Rank: #2561 (+157)
15K → 20K
19:41 | 6:20/mi
Half· 13.11 mi
1:23:12
Rank: #2536 (+25)
20K → Half
4:16 | 6:15/mi
25K· 15.53 mi
1:38:29
Rank: #2399 (+137)
Half → 25K
15:17 | 6:18/mi
30K· 18.64 mi
1:58:20
Rank: #2172 (+227)
25K → 30K
19:51 | 6:23/mi
20M
2:07:01
Rank: #2074 (+98)
30K → 20M
8:41 | 6:23/mi
21M
2:13:38
Rank: #1974 (+100)
20M → 21M
6:37 | 6:37/mi
35K· 21.75 mi
2:18:14
Rank: #1907 (+67)
21M → 35K
4:36 | 6:09/mi
23M
2:26:17
Rank: #1824 (+83)
35K → 23M
8:03 | 6:26/mi
24M
2:32:38
Rank: #1790 (+34)
23M → 24M
6:21 | 6:21/mi
40K· 24.85 mi
2:38:11
Rank: #1763 (+27)
24M → 40K
5:33 | 6:29/mi
25.2M
2:40:37
Rank: #1742 (+21)
40K → 25.2M
2:26 | 7:03/mi
Finish· 26.22 mi
2:47:07
Rank: #1736 (+6)
25.2M → Finish
6:30 | 6:23/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:23:12
Pace6:21 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:23:55
Pace6:24 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:4019:456:2119:45
6:21
-
10K
6.21 mi10:41:3239:376:2319:52
6:24
+0:03
15K
9.32 mi11:01:1059:156:2119:38
6:19
-0:05
20K
12.43 mi11:20:511:18:566:2119:41
6:20
+0:01
Half
13.11 mi11:25:071:23:126:214:16
6:15
-0:05
25K
15.53 mi11:40:241:38:296:2015:17
6:18
+0:03
30K
18.64 mi12:00:151:58:206:2119:51
6:23
+0:05
20M
20.00 mi12:08:562:07:016:218:41
6:23
0:00
21M
21.00 mi12:15:332:13:386:226:37
6:37
+0:14
35K
21.75 mi12:20:092:18:146:214:36
6:09
-0:28
23M
23.00 mi12:28:122:26:176:228:03
6:26
+0:17
24M
24.00 mi12:34:332:32:386:226:21
6:21
-0:05
40K
24.85 mi12:40:062:38:116:225:33
6:29
+0:08
25.2M
25.20 mi12:42:322:40:376:222:26
7:03
+0:34
Finish
26.22 mi12:49:022:47:076:236:30
6:23
-0:40

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

6:09 /mi

Average Pace

6:23 /mi

Slowest Pace

7:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:44:41

99% of race

Time at Steady Pace

2:26

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:22 /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 mi10:21:4019:456:2119:45
6:21
#2804
10K
6.21 mi10:41:3239:376:2319:52
6:24
#2888
15K
9.32 mi11:01:1059:156:2119:38
6:19
#2718
20K
12.43 mi11:20:511:18:566:2119:41
6:20
#2561
Half
13.11 mi11:25:071:23:126:214:16
6:15
#2536
25K
15.53 mi11:40:241:38:296:2015:17
6:18
#2399
30K
18.64 mi12:00:151:58:206:2119:51
6:23
#2172
20M
20.00 mi12:08:562:07:016:218:41
6:23
#2074
21M
21.00 mi12:15:332:13:386:226:37
6:37
#1974
35K
21.75 mi12:20:092:18:146:214:36
6:09
#1907
23M
23.00 mi12:28:122:26:176:228:03
6:26
#1824
24M
24.00 mi12:34:332:32:386:226:21
6:21
#1790
40K
24.85 mi12:40:062:38:116:225:33
6:29
#1763
25.2M
25.20 mi12:42:322:40:376:222:26
7:03
#1742
Finish
26.22 mi12:49:022:47:076:236:30
6:23
#1736
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi2804266926692457(Top 9%)2346(Top 15%)2346(Top 118%)
10K6.21 mi3.10 mi2888-842751-822751-823012(Top 11%)2868(Top 18%)2868(Top 144%)
15K9.32 mi3.11 mi2718+1702591+1602591+1602457(Top 9%)2346(Top 15%)2346(Top 118%)
20K12.43 mi3.11 mi2561+1572443+1482443+1482196(Top 8%)2095(Top 13%)2095(Top 105%)
Half13.11 mi0.68 mi2536+252422+212422+212275(Top 8%)2176(Top 14%)2176(Top 109%)
25K15.53 mi2.42 mi2399+1372289+1332289+1331882(Top 7%)1790(Top 11%)1790(Top 90%)
30K18.64 mi3.11 mi2172+2272069+2202069+2201516(Top 5%)1435(Top 9%)1435(Top 72%)
20M20.00 mi1.36 mi2074+981975+941975+941226(Top 4%)1157(Top 7%)1157(Top 58%)
21M21.00 mi1.00 mi1974+1001878+971878+97981(Top 3%)931(Top 6%)931(Top 47%)
35K21.75 mi0.75 mi1907+671811+671811+671101(Top 4%)1039(Top 6%)1039(Top 52%)
23M23.00 mi1.25 mi1824+831730+811730+811251(Top 4%)1180(Top 7%)1180(Top 59%)
24M24.00 mi1.00 mi1790+341695+351695+351498(Top 5%)1402(Top 9%)1402(Top 70%)
40K24.85 mi0.85 mi1763+271670+251670+251583(Top 6%)1467(Top 9%)1467(Top 73%)
25.2M25.20 mi0.35 mi1742+211649+211649+211680(Top 6%)1537(Top 10%)1537(Top 77%)
Finish26.22 mi1.02 mi1736+61644+51644+52225(Top 8%)2038(Top 13%)2038(Top 102%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21stories
+97ft-345ft

Overall

2457

Males

2346

M50-54

2346

5K→10K

3.1 - 6.2 mi

Top 11%
×5stories
+79ft-138ft

Overall

3012

Males

2868

M50-54

2868

10K→15K

6.2 - 9.3 mi

Top 9%
×3stories
+67ft-78ft

Overall

2457

Males

2346

M50-54

2346

15K→20K

9.3 - 12.4 mi

Top 8%
×5stories
+106ft-86ft

Overall

2196

Males

2095

M50-54

2095

20K→Half

12.4 - 13.1 mi

Top 8%
×2stories
+19ft-37ft

Overall

2275

Males

2176

M50-54

2176

Half→25K

13.1 - 15.5 mi

Top 7%
×4stories
+66ft-88ft

Overall

1882

Males

1790

M50-54

1790

25K→30K

15.5 - 18.6 mi

Top 5%
×9stories
+181ft-148ft

Overall

1516

Males

1435

M50-54

1435

30K→20M

18.6 - 20.0 mi

Top 4%
×5stories
+64ft-50ft

Overall

1226

Males

1157

M50-54

1157

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

981

Males

931

M50-54

931

21M→35K

21.0 - 21.8 mi

Top 4%
×7stories
+17ft-86ft

Overall

1101

Males

1039

M50-54

1039

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

1251

Males

1180

M50-54

1180

23M→24M

23.0 - 24.0 mi

Top 5%
×6stories
+12ft-82ft

Overall

1498

Males

1402

M50-54

1402

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1583

Males

1467

M50-54

1467

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1680

Males

1537

M50-54

1537

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2stories
+22ft-21ft

Overall

2225

Males

2038

M50-54

2038

Passing Analysis

Category:
Athletes Passed
1368
Passed By
300
Net Change
+1068
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2804
5K → 10K99183-84#2804#2888
10K → 15K18515+170#2888#2718
15K → 20K1647+157#2718#2561
20K → Half349+25#2561#2536
Half → 25K1436+137#2536#2399
25K → 30K2358+227#2399#2172
30K → 20M1013+98#2172#2074
20M → 21M1022+100#2074#1974
21M → 35K681+67#1974#1907
35K → 23M918+83#1907#1824
23M → 24M4915+34#1824#1790
24M → 40K4518+27#1790#1763
40K → 25.2M243+21#1763#1742
25.2M → Finish2822+6#1742#1736
TOTALS1368300+1068
📊

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