Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Erastus Mwangi

Bib: 32672 β€’M β€’Age: N/A

MA

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Age Group (M18-39)
#0 / 5723
Race Day Weather
51Β°/41Β°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
33:14
3.11 mi
Rank: #27520
Start β†’ 5K
33:14 | 10:42/mi
10K
1:06:10
6.21 mi
Rank: #27314 (+206)
5K β†’ 10K
32:56 | 10:37/mi
15K
1:39:22
9.32 mi
Rank: #27193 (+121)
10K β†’ 15K
33:12 | 10:42/mi
20K
2:13:36
12.43 mi
Rank: #27141 (+52)
15K β†’ 20K
34:14 | 11:02/mi
HALF
2:20:49
13.11 mi
Rank: #27117 (+24)
20K β†’ HALF
7:13 | 10:36/mi
25K
2:49:07
15.53 mi
Rank: #27138 (-21)
HALF β†’ 25K
28:18 | 11:41/mi
30K
3:26:38
18.64 mi
Rank: #27110 (+28)
25K β†’ 30K
37:31 | 12:05/mi
20M
3:43:23
20.00 mi
Rank: #27091 (+19)
30K β†’ 20M
16:45 | 12:20/mi
21M
3:56:37
21.00 mi
Rank: #27100 (-9)
20M β†’ 21M
13:14 | 13:14/mi
35K
4:05:16
21.75 mi
Rank: #27061 (+39)
21M β†’ 35K
8:39 | 11:34/mi
23M
4:20:31
23.00 mi
Rank: #27052 (+9)
35K β†’ 23M
15:15 | 12:12/mi
24M
4:32:15
24.00 mi
Rank: #27038 (+14)
23M β†’ 24M
11:44 | 11:44/mi
40K
4:43:14
24.85 mi
Rank: #27049 (-11)
24M β†’ 40K
10:59 | 12:51/mi
25.2M
4:47:40
25.20 mi
Rank: #27029 (+20)
40K β†’ 25.2M
4:26 | 12:52/mi
FINISH
4:58:49
26.22 mi
Rank: #27007 (+22)
25.2M β†’ FINISH
11:09 | 10:57/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:20:49
Pace10:45 /mi
2nd Half
Distance13.11 mi
Time2:38:00
Pace12:04 /mi
πŸ“ŠPositive Split: 12.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi12:02:2933:1410:4233:14
10:42
-
10K
6.21 mi12:35:251:06:1010:3932:56
10:37
-0:05
15K
9.32 mi13:08:371:39:2210:4033:12
10:42
+0:05
20K
12.43 mi13:42:512:13:3610:4634:14
11:02
+0:20
HALF
13.11 mi13:50:042:20:4910:457:13
10:36
-0:26
25K
15.53 mi14:18:222:49:0710:5428:18
11:41
+1:05
30K
18.64 mi14:55:533:26:3811:0637:31
12:05
+0:24
20M
20.00 mi15:12:383:43:2311:1116:45
12:20
+0:15
21M
21.00 mi15:25:523:56:3711:1713:14
13:14
+0:54
35K
21.75 mi15:34:314:05:1611:178:39
11:34
-1:40
23M
23.00 mi15:49:464:20:3111:2015:15
12:12
+0:38
24M
24.00 mi16:01:304:32:1511:2111:44
11:44
-0:28
40K
24.85 mi16:12:294:43:1411:2410:59
12:51
+1:07
25.2M
25.20 mi16:16:554:47:4011:254:26
12:52
+0:01
FINISH
26.22 mi16:28:044:58:4911:2511:09
10:57
-1:55

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

πŸ“ˆPace 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

10:36 /mi

Average Pace

11:24 /mi

Slowest Pace

13:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:31:58

51% of race

Time at Steady Pace

1:26:12

29% of race

Time at Slower Pace

1:00:39

20% of race

Average Pace: 11:24 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi12:02:2933:1410:4233:14
10:42
#27520
10K
6.21 mi12:35:251:06:1010:3932:56
10:37
#27314
15K
9.32 mi13:08:371:39:2210:4033:12
10:42
#27193
20K
12.43 mi13:42:512:13:3610:4634:14
11:02
#27141
HALF
13.11 mi13:50:042:20:4910:457:13
10:36
#27117
25K
15.53 mi14:18:222:49:0710:5428:18
11:41
#27138
30K
18.64 mi14:55:533:26:3811:0637:31
12:05
#27110
20M
20.00 mi15:12:383:43:2311:1116:45
12:20
#27091
21M
21.00 mi15:25:523:56:3711:1713:14
13:14
#27100
35K
21.75 mi15:34:314:05:1611:178:39
11:34
#27061
23M
23.00 mi15:49:464:20:3111:2015:15
12:12
#27052
24M
24.00 mi16:01:304:32:1511:2111:44
11:44
#27038
40K
24.85 mi16:12:294:43:1411:2410:59
12:51
#27049
25.2M
25.20 mi16:16:554:47:4011:254:26
12:52
#27029
FINISH
26.22 mi16:28:044:58:4911:2511:09
10:57
#27007
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi27520158431584327004(Top 93%)15602(Top 95%)15602(Top 273%)
10K6.21 mi3.10 mi27314+20615744+9915744+9927097(Top 93%)15649(Top 96%)15649(Top 273%)
15K9.32 mi3.11 mi27193+12115682+6215682+6227004(Top 93%)15602(Top 95%)15602(Top 273%)
20K12.43 mi3.11 mi27141+5215669+1315669+1326980(Top 93%)15581(Top 95%)15581(Top 272%)
HALF13.11 mi0.68 mi27117+2415652+1715652+1726806(Top 92%)15457(Top 95%)15457(Top 270%)
25K15.53 mi2.42 mi27138-2115646+615646+627207(Top 94%)15627(Top 96%)15627(Top 273%)
30K18.64 mi3.11 mi27110+2815602+4415602+4426871(Top 93%)15388(Top 94%)15388(Top 269%)
20M20.00 mi1.36 mi27091+1915583+1915583+1926783(Top 92%)15284(Top 94%)15284(Top 267%)
21M21.00 mi1.00 mi27100-915584-115584-126616(Top 92%)15172(Top 93%)15172(Top 265%)
35K21.75 mi0.75 mi27061+3915564+2015564+2026155(Top 90%)14949(Top 91%)14949(Top 261%)
23M23.00 mi1.25 mi27052+915552+1215552+1226374(Top 91%)15023(Top 92%)15023(Top 263%)
24M24.00 mi1.00 mi27038+1415540+1215540+1226252(Top 90%)14913(Top 91%)14913(Top 261%)
40K24.85 mi0.85 mi27049-1115539+115539+126904(Top 93%)15215(Top 93%)15215(Top 266%)
25.2M25.20 mi0.35 mi27029+2015525+1415525+1425851(Top 89%)14723(Top 90%)14723(Top 257%)
FINISH26.22 mi1.02 mi27007+2215505+2015505+2026014(Top 90%)14769(Top 90%)14769(Top 258%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 93%
Γ—21
+97ft-345ft

Overall

27004

Males

15602

M18-39

15602

5K→10K

3.1 - 6.2 mi

Top 93%
Γ—5
+79ft-138ft

Overall

27097

Males

15649

M18-39

15649

10K→15K

6.2 - 9.3 mi

Top 93%
Γ—3
+67ft-78ft

Overall

27004

Males

15602

M18-39

15602

15K→20K

9.3 - 12.4 mi

Top 93%
Γ—5
+106ft-86ft

Overall

26980

Males

15581

M18-39

15581

20K→HALF

12.4 - 13.1 mi

Top 92%
Γ—2
+19ft-37ft

Overall

26806

Males

15457

M18-39

15457

HALF→25K

13.1 - 15.5 mi

Top 94%
Γ—4
+66ft-88ft

Overall

27207

Males

15627

M18-39

15627

25K→30K

15.5 - 18.6 mi

Top 93%
Γ—9
+181ft-148ft

Overall

26871

Males

15388

M18-39

15388

30K→20M

18.6 - 20.0 mi

Top 92%
Γ—5
+64ft-50ft

Overall

26783

Males

15284

M18-39

15284

20M→21M

20.0 - 21.0 mi

Top 92%
Γ—8
+106ft-24ft

Overall

26616

Males

15172

M18-39

15172

21M→35K

21.0 - 21.8 mi

Top 90%
Γ—7
+17ft-86ft

Overall

26155

Males

14949

M18-39

14949

35K→23M

21.8 - 23.0 mi

Top 91%
Γ—5
+23ft-63ft

Overall

26374

Males

15023

M18-39

15023

23M→24M

23.0 - 24.0 mi

Top 90%
Γ—6
+12ft-82ft

Overall

26252

Males

14913

M18-39

14913

24M→40K

24.0 - 24.9 mi

Top 93%
Γ—1
+6ft-20ft

Overall

26904

Males

15215

M18-39

15215

40K→25.2M

24.9 - 25.2 mi

Top 89%
Γ—1
+13ft-16ft

Overall

25851

Males

14723

M18-39

14723

25.2M→FINISH

25.2 - 26.2 mi

Top 90%
Γ—2
+22ft-21ft

Overall

26014

Males

14769

M18-39

14769

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1088*
Passed By
575
Net Change
+513
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#27520
5K β†’ 10K273*67+206#27520#27314
10K β†’ 15K17857+121#27314#27193
15K β†’ 20K13078+52#27193#27141
20K β†’ HALF3612+24#27141#27117
HALF β†’ 25K6889-21#27117#27138
25K β†’ 30K10072+28#27138#27110
30K β†’ 20M5435+19#27110#27091
20M β†’ 21M3342-9#27091#27100
21M β†’ 35K478+39#27100#27061
35K β†’ 23M5243+9#27061#27052
23M β†’ 24M3117+14#27052#27038
24M β†’ 40K2233-11#27038#27049
40K β†’ 25.2M255+20#27049#27029
25.2M β†’ FINISH3917+22#27029#27007
TOTALS1088*575+513

* Includes athletes who did not complete a segment (DNF/DNQ).

πŸ“Š

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace Lanes

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