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BOSTON MARATHON 2024

Colin Sanders-Estrada

Bib: 4637•M

IL

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 12%
Gender (Male)
#0 / 14578
Top 19%
Division (M18-39)
#0 / 4849
Top 40%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:34
Rank: #4168
Start → 5K
20:34 | 6:37/mi
10K· 6.21 mi
41:08
Rank: #3911 (+257)
5K → 10K
20:34 | 6:37/mi
15K· 9.32 mi
1:01:42
Rank: #3712 (+199)
10K → 15K
20:34 | 6:37/mi
20K· 12.43 mi
1:22:41
Rank: #3624 (+88)
15K → 20K
20:59 | 6:45/mi
Half· 13.11 mi
1:27:14
Rank: #3611 (+13)
20K → Half
4:33 | 6:40/mi
25K· 15.53 mi
1:43:47
Rank: #3514 (+97)
Half → 25K
16:33 | 6:50/mi
30K· 18.64 mi
2:05:59
Rank: #3428 (+86)
25K → 30K
22:12 | 7:09/mi
20M
2:15:41
Rank: #3339 (+89)
30K → 20M
9:42 | 7:08/mi
21M
2:23:24
Rank: #3307 (+32)
20M → 21M
7:43 | 7:43/mi
35K· 21.75 mi
2:28:36
Rank: #3256 (+51)
21M → 35K
5:12 | 6:57/mi
23M
2:37:43
Rank: #3184 (+72)
35K → 23M
9:07 | 7:17/mi
24M
2:44:53
Rank: #3147 (+37)
23M → 24M
7:10 | 7:10/mi
40K· 24.85 mi
2:50:59
Rank: #3069 (+78)
24M → 40K
6:06 | 7:08/mi
25.2M
2:53:47
Rank: #3056 (+13)
40K → 25.2M
2:48 | 8:07/mi
Finish· 26.22 mi
3:00:44
Rank: #2990 (+66)
25.2M → Finish
6:57 | 6:49/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:14
Pace6:39 /mi
2nd Half
Distance13.11 mi
Time1:33:30
Pace7:08 /mi
📊Positive Split: 7.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:0320:346:3720:34
6:37
-
10K
6.21 mi10:44:3741:086:3720:34
6:37
0:00
15K
9.32 mi11:05:111:01:426:3720:34
6:37
0:00
20K
12.43 mi11:26:101:22:416:3920:59
6:45
+0:08
Half
13.11 mi11:30:431:27:146:394:33
6:40
-0:05
25K
15.53 mi11:47:161:43:476:4116:33
6:50
+0:10
30K
18.64 mi12:09:282:05:596:4622:12
7:09
+0:19
20M
20.00 mi12:19:102:15:416:479:42
7:08
-0:01
21M
21.00 mi12:26:532:23:246:507:43
7:43
+0:35
35K
21.75 mi12:32:052:28:366:505:12
6:57
-0:46
23M
23.00 mi12:41:122:37:436:519:07
7:17
+0:20
24M
24.00 mi12:48:222:44:536:527:10
7:10
-0:07
40K
24.85 mi12:54:282:50:596:536:06
7:08
-0:02
25.2M
25.20 mi12:57:162:53:476:542:48
8:07
+0:59
Finish
26.22 mi13:04:133:00:446:546:57
6:49
-1:18

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

6:37 /mi

Average Pace

6:54 /mi

Slowest Pace

8:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:06:15

37% of race

Time at Steady Pace

1:27:41

49% of race

Time at Slower Pace

26:48

15% of race

Average Pace: 6:54 /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 mi10:24:0320:346:3720:34
6:37
#4168
10K
6.21 mi10:44:3741:086:3720:34
6:37
#3911
15K
9.32 mi11:05:111:01:426:3720:34
6:37
#3712
20K
12.43 mi11:26:101:22:416:3920:59
6:45
#3624
Half
13.11 mi11:30:431:27:146:394:33
6:40
#3611
25K
15.53 mi11:47:161:43:476:4116:33
6:50
#3514
30K
18.64 mi12:09:282:05:596:4622:12
7:09
#3428
20M
20.00 mi12:19:102:15:416:479:42
7:08
#3339
21M
21.00 mi12:26:532:23:246:507:43
7:43
#3307
35K
21.75 mi12:32:052:28:366:505:12
6:57
#3256
23M
23.00 mi12:41:122:37:436:519:07
7:17
#3184
24M
24.00 mi12:48:222:44:536:527:10
7:10
#3147
40K
24.85 mi12:54:282:50:596:536:06
7:08
#3069
25.2M
25.20 mi12:57:162:53:476:542:48
8:07
#3056
Finish
26.22 mi13:04:133:00:446:546:57
6:49
#2990
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4168393539353385(Top 13%)3214(Top 22%)3214(Top 66%)
10K6.21 mi3.10 mi3911+2573694+2413694+2413731(Top 15%)3520(Top 24%)3520(Top 73%)
15K9.32 mi3.11 mi3712+1993519+1753519+1753385(Top 13%)3214(Top 22%)3214(Top 66%)
20K12.43 mi3.11 mi3624+883438+813438+813537(Top 14%)3337(Top 23%)3337(Top 69%)
Half13.11 mi0.68 mi3611+133425+133425+133533(Top 14%)3336(Top 23%)3336(Top 69%)
25K15.53 mi2.42 mi3514+973331+943331+943351(Top 13%)3140(Top 22%)3140(Top 65%)
30K18.64 mi3.11 mi3428+863235+963235+963540(Top 14%)3231(Top 22%)3231(Top 67%)
20M20.00 mi1.36 mi3339+893141+943141+942912(Top 11%)2669(Top 18%)2669(Top 55%)
21M21.00 mi1.00 mi3307+323106+353106+353187(Top 12%)2850(Top 20%)2850(Top 59%)
35K21.75 mi0.75 mi3256+513052+543052+542871(Top 11%)2593(Top 18%)2593(Top 53%)
23M23.00 mi1.25 mi3184+722979+732979+732837(Top 11%)2525(Top 17%)2525(Top 52%)
24M24.00 mi1.00 mi3147+372942+372942+372876(Top 11%)2521(Top 17%)2521(Top 52%)
40K24.85 mi0.85 mi3069+782864+782864+782296(Top 9%)2030(Top 14%)2030(Top 42%)
25.2M25.20 mi0.35 mi3056+132848+162848+163083(Top 12%)2572(Top 18%)2572(Top 53%)
Finish26.22 mi1.02 mi2990+662783+652783+652419(Top 9%)2092(Top 14%)2092(Top 43%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3385

Males

3214

M18-39

3214

5K→10K

3.1 - 6.2 mi

Top 15%
×5stories
+79ft-138ft

Overall

3731

Males

3520

M18-39

3520

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3385

Males

3214

M18-39

3214

15K→20K

9.3 - 12.4 mi

Top 14%
×5stories
+106ft-86ft

Overall

3537

Males

3337

M18-39

3337

20K→Half

12.4 - 13.1 mi

Top 14%
×2stories
+19ft-37ft

Overall

3533

Males

3336

M18-39

3336

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3351

Males

3140

M18-39

3140

25K→30K

15.5 - 18.6 mi

Top 14%
×9stories
+181ft-148ft

Overall

3540

Males

3231

M18-39

3231

30K→20M

18.6 - 20.0 mi

Top 11%
×5stories
+64ft-50ft

Overall

2912

Males

2669

M18-39

2669

20M→21M

20.0 - 21.0 mi

Top 12%
×8stories
+106ft-24ft

Overall

3187

Males

2850

M18-39

2850

21M→35K

21.0 - 21.8 mi

Top 11%
×7stories
+17ft-86ft

Overall

2871

Males

2593

M18-39

2593

35K→23M

21.8 - 23.0 mi

Top 11%
×5stories
+23ft-63ft

Overall

2837

Males

2525

M18-39

2525

23M→24M

23.0 - 24.0 mi

Top 11%
×6stories
+12ft-82ft

Overall

2876

Males

2521

M18-39

2521

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2296

Males

2030

M18-39

2030

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3083

Males

2572

M18-39

2572

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2stories
+22ft-21ft

Overall

2419

Males

2092

M18-39

2092

Passing Analysis

Category:
Athletes Passed
1824
Passed By
646
Net Change
+1178
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4168
5K → 10K31558+257#4168#3911
10K → 15K24647+199#3911#3712
15K → 20K17486+88#3712#3624
20K → Half2714+13#3624#3611
Half → 25K17477+97#3611#3514
25K → 30K219133+86#3514#3428
30K → 20M12738+89#3428#3339
20M → 21M9260+32#3339#3307
21M → 35K6716+51#3307#3256
35K → 23M11240+72#3256#3184
23M → 24M7033+37#3184#3147
24M → 40K8911+78#3147#3069
40K → 25.2M3017+13#3069#3056
25.2M → Finish8216+66#3056#2990
TOTALS1824646+1178
📊

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