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BOSTON MARATHON 2025

Chris Taylor

Bib: 31775•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Division (M18-39)
#0 / 5642
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
9:17/mi
28:51
↑ 97↓ 3451.5%
10K· 6.21 mi
8:34/mi
55:29
↑ 79↓ 1380.4%
15K· 9.32 mi
8:30/mi
1:21:53
↑ 67↓ 78
20K· 12.43 mi
8:31/mi
1:48:22
↑ 106↓ 860.1%
Half· 13.11 mi
8:34/mi
1:54:13
↑ 19↓ 370.5%
25K· 15.53 mi
8:58/mi
2:15:57
↑ 66↓ 880.2%
30K· 18.64 mi
9:25/mi
2:45:12
↑ 181↓ 1480.2%
20M
9:21/mi
2:57:54
↑ 64↓ 500.2%
21M
9:48/mi
3:07:42
↑ 106↓ 241.6%
35K· 21.75 mi
8:52/mi
3:14:20
↑ 17↓ 861.7%
23M
9:20/mi
3:26:01
↑ 23↓ 630.6%
24M
9:10/mi
3:35:11
↓ 821.3%
40K· 24.85 mi
9:39/mi
3:43:26
↓ 200.3%
25.2M
10:29/mi
3:47:03
↑ 13↓ 160.2%
Finish· 26.22 mi
8:08/mi
3:55:20
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:13
Pace8:43 /mi
2nd Half
Distance13.11 mi
Time2:01:07
Pace9:14 /mi
📊Positive Split: 6.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:5028:519:1728:51
9:17
-
10K
6.21 mi12:17:2855:298:5626:38
8:34
-0:43
15K
9.32 mi12:43:521:21:538:4726:24
8:30
-0:04
20K
12.43 mi13:10:211:48:228:4326:29
8:31
+0:01
Half
13.11 mi13:16:121:54:138:435:51
8:34
+0:03
25K
15.53 mi13:37:562:15:578:4521:44
8:58
+0:24
30K
18.64 mi14:07:112:45:128:5229:15
9:25
+0:27
20M
20.00 mi14:19:532:57:548:5412:42
9:21
-0:04
21M
21.00 mi14:29:413:07:428:569:48
9:48
+0:27
35K
21.75 mi14:36:193:14:208:566:38
8:52
-0:56
23M
23.00 mi14:48:003:26:018:5711:41
9:20
+0:28
24M
24.00 mi14:57:103:35:118:589:10
9:10
-0:10
40K
24.85 mi15:05:253:43:268:598:15
9:39
+0:29
25.2M
25.20 mi15:09:023:47:039:013:37
10:29
+0:50
Finish
26.22 mi15:17:193:55:208:598:17
8:08
-2:21

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

8:08 /mi

Average Pace

8:59 /mi

Slowest Pace

10:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:40:17

43% of race

Time at Steady Pace

1:53:23

48% of race

Time at Slower Pace

21:40

9% of race

Average Pace: 8:59 /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 mi11:50:5028:519:1728:51
9:17
#23507
10K
6.21 mi12:17:2855:298:5626:38
8:34
#22100
15K
9.32 mi12:43:521:21:538:4726:24
8:30
#21171
20K
12.43 mi13:10:211:48:228:4326:29
8:31
#20525
Half
13.11 mi13:16:121:54:138:435:51
8:34
#20476
25K
15.53 mi13:37:562:15:578:4521:44
8:58
#20367
30K
18.64 mi14:07:112:45:128:5229:15
9:25
#20195
20M
20.00 mi14:19:532:57:548:5412:42
9:21
#20062
21M
21.00 mi14:29:413:07:428:569:48
9:48
#19888
35K
21.75 mi14:36:193:14:208:566:38
8:52
#19802
23M
23.00 mi14:48:003:26:018:5711:41
9:20
#19690
24M
24.00 mi14:57:103:35:118:589:10
9:10
#19626
40K
24.85 mi15:05:253:43:268:598:15
9:39
#19628
25.2M
25.20 mi15:09:023:47:039:013:37
10:29
#19614
Finish
26.22 mi15:17:193:55:208:598:17
8:08
#19410
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi23507140051400519298(Top 68%)12182(Top 76%)12182(Top 216%)
10K6.21 mi3.10 mi22100+140713368+63713368+63720202(Top 71%)12563(Top 78%)12563(Top 223%)
15K9.32 mi3.11 mi21171+92912981+38712981+38719298(Top 68%)12182(Top 76%)12182(Top 216%)
20K12.43 mi3.11 mi20525+64612692+28912692+28918393(Top 65%)11780(Top 73%)11780(Top 209%)
Half13.11 mi0.68 mi20476+4912669+2312669+2319644(Top 69%)12318(Top 76%)12318(Top 218%)
25K15.53 mi2.42 mi20367+10912615+5412615+5419734(Top 69%)12294(Top 76%)12294(Top 218%)
30K18.64 mi3.11 mi20195+17212506+10912506+10919589(Top 69%)12098(Top 75%)12098(Top 214%)
20M20.00 mi1.36 mi20062+13312422+8412422+8418492(Top 65%)11446(Top 71%)11446(Top 203%)
21M21.00 mi1.00 mi19888+17412326+9612326+9617470(Top 62%)10910(Top 68%)10910(Top 193%)
35K21.75 mi0.75 mi19802+8612271+5512271+5517592(Top 62%)10870(Top 67%)10870(Top 193%)
23M23.00 mi1.25 mi19690+11212190+8112190+8117919(Top 63%)10929(Top 68%)10929(Top 194%)
24M24.00 mi1.00 mi19626+6412131+5912131+5918178(Top 64%)11010(Top 68%)11010(Top 195%)
40K24.85 mi0.85 mi19628-212118+1312118+1319263(Top 68%)11449(Top 71%)11449(Top 203%)
25.2M25.20 mi0.35 mi19614+1412099+1912099+1918934(Top 67%)11289(Top 70%)11289(Top 200%)
Finish26.22 mi1.02 mi19410+20411999+10011999+10013791(Top 49%)8915(Top 55%)8915(Top 158%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21story building
+97ft-345ft

Overall

19298

Males

12182

M18-39

12182

5K→10K

3.1 - 6.2 mi

Top 71%
×5story building
+79ft-138ft

Overall

20202

Males

12563

M18-39

12563

10K→15K

6.2 - 9.3 mi

Top 68%
×3story building
+67ft-78ft

Overall

19298

Males

12182

M18-39

12182

15K→20K

9.3 - 12.4 mi

Top 65%
×5story building
+106ft-86ft

Overall

18393

Males

11780

M18-39

11780

20K→Half

12.4 - 13.1 mi

Top 69%
×2story building
+19ft-37ft

Overall

19644

Males

12318

M18-39

12318

Half→25K

13.1 - 15.5 mi

Top 69%
×4story building
+66ft-88ft

Overall

19734

Males

12294

M18-39

12294

25K→30K

15.5 - 18.6 mi

Top 69%
×9story building
+181ft-148ft

Overall

19589

Males

12098

M18-39

12098

30K→20M

18.6 - 20.0 mi

Top 65%
×5story building
+64ft-50ft

Overall

18492

Males

11446

M18-39

11446

20M→21M

20.0 - 21.0 mi

Top 62%
×8story building
+106ft-24ft

Overall

17470

Males

10910

M18-39

10910

21M→35K

21.0 - 21.8 mi

Top 62%
×7story building
+17ft-86ft

Overall

17592

Males

10870

M18-39

10870

35K→23M

21.8 - 23.0 mi

Top 63%
×5story building
+23ft-63ft

Overall

17919

Males

10929

M18-39

10929

23M→24M

23.0 - 24.0 mi

Top 64%
×6story building
+12ft-82ft

Overall

18178

Males

11010

M18-39

11010

24M→40K

24.0 - 24.9 mi

Top 68%
×1story
+6ft-20ft

Overall

19263

Males

11449

M18-39

11449

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

18934

Males

11289

M18-39

11289

25.2M→Finish

25.2 - 26.2 mi

Top 49%
×2story building
+22ft-21ft

Overall

13791

Males

8915

M18-39

8915

Passing Analysis

Category:
Athletes Passed
4578
Passed By
481
Net Change
+4097
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23507
5K → 10K14136+1407#23507#22100
10K → 15K9378+929#22100#21171
15K → 20K6504+646#21171#20525
20K → Half6314+49#20525#20476
Half → 25K20394+109#20476#20367
25K → 30K311139+172#20367#20195
30K → 20M17037+133#20195#20062
20M → 21M18814+174#20062#19888
21M → 35K926+86#19888#19802
35K → 23M15240+112#19802#19690
23M → 24M9531+64#19690#19626
24M → 40K6163-2#19626#19628
40K → 25.2M3925+14#19628#19614
25.2M → Finish2040+204#19614#19410
TOTALS4578481+4097
📊

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