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BOSTON MARATHON 2025

Christopher Foster

Bib: 15466•M

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 37%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 40%
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
7:31/mi
23:22
↑ 97↓ 3451.5%
10K· 6.21 mi
7:51/mi
47:44
↑ 79↓ 1380.4%
15K· 9.32 mi
7:45/mi
1:11:49
↑ 67↓ 78
20K· 12.43 mi
7:42/mi
1:35:44
↑ 106↓ 860.1%
Half· 13.11 mi
7:29/mi
1:40:50
↑ 19↓ 370.5%
25K· 15.53 mi
7:35/mi
1:59:13
↑ 66↓ 880.2%
30K· 18.64 mi
7:47/mi
2:23:25
↑ 181↓ 1480.2%
20M
7:47/mi
2:34:00
↑ 64↓ 500.2%
21M
8:14/mi
2:42:14
↑ 106↓ 241.6%
35K· 21.75 mi
7:22/mi
2:47:45
↑ 17↓ 861.7%
23M
7:38/mi
2:57:18
↑ 23↓ 630.6%
24M
7:29/mi
3:04:47
↓ 821.3%
40K· 24.85 mi
7:31/mi
3:11:13
↓ 200.3%
25.2M
8:36/mi
3:14:11
↑ 13↓ 160.2%
Finish· 26.22 mi
7:23/mi
3:21:42
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:40:50
Pace7:41 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:40:52
Pace7:42 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:5123:227:3123:22
7:31
-
10K
6.21 mi11:19:1347:447:4124:22
7:51
+0:20
15K
9.32 mi11:43:181:11:497:4224:05
7:45
-0:06
20K
12.43 mi12:07:131:35:447:4223:55
7:42
-0:03
Half
13.11 mi12:12:191:40:507:415:06
7:29
-0:13
25K
15.53 mi12:30:421:59:137:4018:23
7:35
+0:06
30K
18.64 mi12:54:542:23:257:4224:12
7:47
+0:12
20M
20.00 mi13:05:292:34:007:4210:35
7:47
0:00
21M
21.00 mi13:13:432:42:147:448:14
8:14
+0:27
35K
21.75 mi13:19:142:47:457:435:31
7:22
-0:52
23M
23.00 mi13:28:472:57:187:439:33
7:38
+0:16
24M
24.00 mi13:36:163:04:477:427:29
7:29
-0:09
40K
24.85 mi13:42:423:11:137:426:26
7:31
+0:02
25.2M
25.20 mi13:45:403:14:117:422:58
8:36
+1:05
Finish
26.22 mi13:53:113:21:427:427:31
7:23
-1:13

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

7:22 /mi

Average Pace

7:42 /mi

Slowest Pace

8:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:10:30

94% of race

Time at Steady Pace

11:12

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:42 /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 mi10:54:5123:227:3123:22
7:31
#12404
10K
6.21 mi11:19:1347:447:4124:22
7:51
#13760
15K
9.32 mi11:43:181:11:497:4224:05
7:45
#13782
20K
12.43 mi12:07:131:35:447:4223:55
7:42
#13396
Half
13.11 mi12:12:191:40:507:415:06
7:29
#13277
25K
15.53 mi12:30:421:59:137:4018:23
7:35
#12789
30K
18.64 mi12:54:542:23:257:4224:12
7:47
#12208
20M
20.00 mi13:05:292:34:007:4210:35
7:47
#11910
21M
21.00 mi13:13:432:42:147:448:14
8:14
#11683
35K
21.75 mi13:19:142:47:457:435:31
7:22
#11519
23M
23.00 mi13:28:472:57:187:439:33
7:38
#11207
24M
24.00 mi13:36:163:04:477:427:29
7:29
#11000
40K
24.85 mi13:42:423:11:137:426:26
7:31
#10814
25.2M
25.20 mi13:45:403:14:117:422:58
8:36
#10777
Finish
26.22 mi13:53:113:21:427:427:31
7:23
#10638
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi124049350935013930(Top 49%)9911(Top 62%)9911(Top 415%)
10K6.21 mi3.10 mi13760-13569916-5669916-56615185(Top 53%)10484(Top 65%)10484(Top 439%)
15K9.32 mi3.11 mi13782-229901+159901+1513930(Top 49%)9911(Top 62%)9911(Top 415%)
20K12.43 mi3.11 mi13396+3869702+1999702+19912372(Top 44%)9127(Top 57%)9127(Top 383%)
Half13.11 mi0.68 mi13277+1199635+679635+6711434(Top 40%)8744(Top 54%)8744(Top 366%)
25K15.53 mi2.42 mi12789+4889400+2359400+23510595(Top 37%)8197(Top 51%)8197(Top 344%)
30K18.64 mi3.11 mi12208+5819075+3259075+3259854(Top 35%)7610(Top 47%)7610(Top 319%)
20M20.00 mi1.36 mi11910+2988898+1778898+1778943(Top 31%)6967(Top 43%)6967(Top 292%)
21M21.00 mi1.00 mi11683+2278748+1508748+1508784(Top 31%)6703(Top 42%)6703(Top 281%)
35K21.75 mi0.75 mi11519+1648641+1078641+1077732(Top 27%)6149(Top 38%)6149(Top 258%)
23M23.00 mi1.25 mi11207+3128453+1888453+1887437(Top 26%)5840(Top 36%)5840(Top 245%)
24M24.00 mi1.00 mi11000+2078314+1398314+1397574(Top 27%)5863(Top 36%)5863(Top 246%)
40K24.85 mi0.85 mi10814+1868192+1228192+1226948(Top 24%)5403(Top 34%)5403(Top 226%)
25.2M25.20 mi0.35 mi10777+378165+278165+279393(Top 33%)6645(Top 41%)6645(Top 278%)
Finish26.22 mi1.02 mi10638+1398070+958070+958328(Top 29%)6104(Top 38%)6104(Top 256%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21story building
+97ft-345ft

Overall

13930

Males

9911

M45-49

9911

5K→10K

3.1 - 6.2 mi

Top 53%
×5story building
+79ft-138ft

Overall

15185

Males

10484

M45-49

10484

10K→15K

6.2 - 9.3 mi

Top 49%
×3story building
+67ft-78ft

Overall

13930

Males

9911

M45-49

9911

15K→20K

9.3 - 12.4 mi

Top 44%
×5story building
+106ft-86ft

Overall

12372

Males

9127

M45-49

9127

20K→Half

12.4 - 13.1 mi

Top 40%
×2story building
+19ft-37ft

Overall

11434

Males

8744

M45-49

8744

Half→25K

13.1 - 15.5 mi

Top 37%
×4story building
+66ft-88ft

Overall

10595

Males

8197

M45-49

8197

25K→30K

15.5 - 18.6 mi

Top 35%
×9story building
+181ft-148ft

Overall

9854

Males

7610

M45-49

7610

30K→20M

18.6 - 20.0 mi

Top 31%
×5story building
+64ft-50ft

Overall

8943

Males

6967

M45-49

6967

20M→21M

20.0 - 21.0 mi

Top 31%
×8story building
+106ft-24ft

Overall

8784

Males

6703

M45-49

6703

21M→35K

21.0 - 21.8 mi

Top 27%
×7story building
+17ft-86ft

Overall

7732

Males

6149

M45-49

6149

35K→23M

21.8 - 23.0 mi

Top 26%
×5story building
+23ft-63ft

Overall

7437

Males

5840

M45-49

5840

23M→24M

23.0 - 24.0 mi

Top 27%
×6story building
+12ft-82ft

Overall

7574

Males

5863

M45-49

5863

24M→40K

24.0 - 24.9 mi

Top 24%
×1story
+6ft-20ft

Overall

6948

Males

5403

M45-49

5403

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

9393

Males

6645

M45-49

6645

25.2M→Finish

25.2 - 26.2 mi

Top 29%
×2story building
+22ft-21ft

Overall

8328

Males

6104

M45-49

6104

Passing Analysis

Category:
Athletes Passed
3507
Passed By
1741
Net Change
+1766
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12404
5K → 10K231379-1356#12404#13760
10K → 15K192214-22#13760#13782
15K → 20K42135+386#13782#13396
20K → Half1212+119#13396#13277
Half → 25K4946+488#13277#12789
25K → 30K60322+581#12789#12208
30K → 20M30810+298#12208#11910
20M → 21M2369+227#11910#11683
21M → 35K1684+164#11683#11519
35K → 23M3197+312#11519#11207
23M → 24M2136+207#11207#11000
24M → 40K1926+186#11000#10814
40K → 25.2M4811+37#10814#10777
25.2M → Finish16930+139#10777#10638
TOTALS35071741+1766
📊

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