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BOSTON MARATHON 2025

Chris Keith

Bib: 10586•M

KY

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M45-49)
#0 / 2386
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
7:03/mi
21:53
↑ 97↓ 3451.5%
10K· 6.21 mi
7:18/mi
44:34
↑ 79↓ 1380.4%
15K· 9.32 mi
7:16/mi
1:07:10
↑ 67↓ 78
20K· 12.43 mi
7:45/mi
1:31:16
↑ 106↓ 860.1%
Half· 13.11 mi
7:42/mi
1:36:31
↑ 19↓ 370.5%
25K· 15.53 mi
8:12/mi
1:56:23
↑ 66↓ 880.2%
30K· 18.64 mi
8:45/mi
2:23:34
↑ 181↓ 1480.2%
20M
9:16/mi
2:36:10
↑ 64↓ 500.2%
21M
10:14/mi
2:46:24
↑ 106↓ 241.6%
35K· 21.75 mi
9:27/mi
2:53:28
↑ 17↓ 861.7%
23M
9:56/mi
3:05:54
↑ 23↓ 630.6%
24M
9:41/mi
3:15:35
↓ 821.3%
40K· 24.85 mi
10:19/mi
3:24:24
↓ 200.3%
25.2M
11:56/mi
3:28:31
↑ 13↓ 160.2%
Finish· 26.22 mi
9:50/mi
3:38:32
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:31
Pace7:22 /mi
2nd Half
Distance13.11 mi
Time2:02:01
Pace9:18 /mi
📊Positive Split: 26.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:4721:537:0321:53
7:03
-
10K
6.21 mi11:10:2844:347:1022:41
7:18
+0:15
15K
9.32 mi11:33:041:07:107:1222:36
7:16
-0:02
20K
12.43 mi11:57:101:31:167:2124:06
7:45
+0:29
Half
13.11 mi12:02:251:36:317:225:15
7:42
-0:03
25K
15.53 mi12:22:171:56:237:3019:52
8:12
+0:30
30K
18.64 mi12:49:282:23:347:4227:11
8:45
+0:33
20M
20.00 mi13:02:042:36:107:4812:36
9:16
+0:31
21M
21.00 mi13:12:182:46:247:5510:14
10:14
+0:58
35K
21.75 mi13:19:222:53:287:597:04
9:27
-0:47
23M
23.00 mi13:31:483:05:548:0512:26
9:56
+0:29
24M
24.00 mi13:41:293:15:358:099:41
9:41
-0:15
40K
24.85 mi13:50:183:24:248:138:49
10:19
+0:38
25.2M
25.20 mi13:54:253:28:318:164:07
11:56
+1:37
Finish
26.22 mi14:04:263:38:328:2010:01
9:50
-2:06

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

7:03 /mi

Average Pace

8:20 /mi

Slowest Pace

11:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:56:23

53% of race

Time at Steady Pace

1:18:59

36% of race

Time at Slower Pace

23:10

11% of race

Average Pace: 8:20 /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 mi10:47:4721:537:0321:53
7:03
#8163
10K
6.21 mi11:10:2844:347:1022:41
7:18
#9214
15K
9.32 mi11:33:041:07:107:1222:36
7:16
#9383
20K
12.43 mi11:57:101:31:167:2124:06
7:45
#10252
Half
13.11 mi12:02:251:36:317:225:15
7:42
#10421
25K
15.53 mi12:22:171:56:237:3019:52
8:12
#11267
30K
18.64 mi12:49:282:23:347:4227:11
8:45
#12281
20M
20.00 mi13:02:042:36:107:4812:36
9:16
#12803
21M
21.00 mi13:12:182:46:247:5510:14
10:14
#13276
35K
21.75 mi13:19:222:53:287:597:04
9:27
#13598
23M
23.00 mi13:31:483:05:548:0512:26
9:56
#14194
24M
24.00 mi13:41:293:15:358:099:41
9:41
#14536
40K
24.85 mi13:50:183:24:248:138:49
10:19
#14903
25.2M
25.20 mi13:54:253:28:318:164:07
11:56
#15129
Finish
26.22 mi14:04:263:38:328:2010:01
9:50
#15497
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi8163711071109775(Top 34%)7969(Top 49%)7969(Top 334%)
10K6.21 mi3.10 mi9214-10517730-6207730-62010349(Top 36%)8340(Top 52%)8340(Top 350%)
15K9.32 mi3.11 mi9383-1697808-787808-789775(Top 34%)7969(Top 49%)7969(Top 334%)
20K12.43 mi3.11 mi10252-8698237-4298237-42912910(Top 45%)9384(Top 58%)9384(Top 393%)
Half13.11 mi0.68 mi10421-1698321-848321-8413335(Top 47%)9635(Top 60%)9635(Top 404%)
25K15.53 mi2.42 mi11267-8468716-3958716-39515265(Top 54%)10343(Top 64%)10343(Top 433%)
30K18.64 mi3.11 mi12281-10149103-3879103-38716277(Top 57%)10610(Top 66%)10610(Top 445%)
20M20.00 mi1.36 mi12803-5229302-1999302-19918133(Top 64%)11288(Top 70%)11288(Top 473%)
21M21.00 mi1.00 mi13276-4739476-1749476-17419112(Top 67%)11668(Top 72%)11668(Top 489%)
35K21.75 mi0.75 mi13598-3229589-1139589-11320105(Top 71%)12008(Top 75%)12008(Top 503%)
23M23.00 mi1.25 mi14194-5969817-2289817-22820257(Top 71%)12028(Top 75%)12028(Top 504%)
24M24.00 mi1.00 mi14536-3429961-1449961-14420306(Top 71%)12005(Top 75%)12005(Top 503%)
40K24.85 mi0.85 mi14903-36710088-12710088-12721389(Top 75%)12461(Top 77%)12461(Top 522%)
25.2M25.20 mi0.35 mi15129-22610160-7210160-7223062(Top 81%)13305(Top 83%)13305(Top 558%)
Finish26.22 mi1.02 mi15497-36810306-14610306-14622364(Top 79%)12947(Top 80%)12947(Top 543%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21story building
+97ft-345ft

Overall

9775

Males

7969

M45-49

7969

5K→10K

3.1 - 6.2 mi

Top 36%
×5story building
+79ft-138ft

Overall

10349

Males

8340

M45-49

8340

10K→15K

6.2 - 9.3 mi

Top 34%
×3story building
+67ft-78ft

Overall

9775

Males

7969

M45-49

7969

15K→20K

9.3 - 12.4 mi

Top 45%
×5story building
+106ft-86ft

Overall

12910

Males

9384

M45-49

9384

20K→Half

12.4 - 13.1 mi

Top 47%
×2story building
+19ft-37ft

Overall

13335

Males

9635

M45-49

9635

Half→25K

13.1 - 15.5 mi

Top 54%
×4story building
+66ft-88ft

Overall

15265

Males

10343

M45-49

10343

25K→30K

15.5 - 18.6 mi

Top 57%
×9story building
+181ft-148ft

Overall

16277

Males

10610

M45-49

10610

30K→20M

18.6 - 20.0 mi

Top 64%
×5story building
+64ft-50ft

Overall

18133

Males

11288

M45-49

11288

20M→21M

20.0 - 21.0 mi

Top 67%
×8story building
+106ft-24ft

Overall

19112

Males

11668

M45-49

11668

21M→35K

21.0 - 21.8 mi

Top 71%
×7story building
+17ft-86ft

Overall

20105

Males

12008

M45-49

12008

35K→23M

21.8 - 23.0 mi

Top 71%
×5story building
+23ft-63ft

Overall

20257

Males

12028

M45-49

12028

23M→24M

23.0 - 24.0 mi

Top 71%
×6story building
+12ft-82ft

Overall

20306

Males

12005

M45-49

12005

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

21389

Males

12461

M45-49

12461

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

23062

Males

13305

M45-49

13305

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2story building
+22ft-21ft

Overall

22364

Males

12947

M45-49

12947

Passing Analysis

Category:
Athletes Passed
411
Passed By
7743
Net Change
-7334
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8163
5K → 10K261077-1051#8163#9214
10K → 15K100269-169#9214#9383
15K → 20K41908-869#9383#10252
20K → Half8177-169#10252#10421
Half → 25K35881-846#10421#11267
25K → 30K581072-1014#11267#12281
30K → 20M35557-522#12281#12803
20M → 21M23496-473#12803#13276
21M → 35K10332-322#13276#13598
35K → 23M27623-596#13598#14194
23M → 24M17359-342#14194#14536
24M → 40K17384-367#14536#14903
40K → 25.2M7233-226#14903#15129
25.2M → Finish7375-368#15129#15497
TOTALS4117743-7334
📊

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