Boston Marathon logo
BOSTON MARATHON 2024

Brendan Crowther

Bib: 29366•M

MA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 25550
Gender (Male)
#0 / 14578
Division (M18-39)
#0 / 4849
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
29:29
Rank: #21705
Start → 5K
29:29 | 9:29/mi
10K· 6.21 mi
1:00:23
Rank: #22119 (-414)
5K → 10K
30:54 | 9:57/mi
15K· 9.32 mi
1:32:29
Rank: #22311 (-192)
10K → 15K
32:06 | 10:20/mi
20K· 12.43 mi
2:06:20
Rank: #22355 (-44)
15K → 20K
33:51 | 10:54/mi
Half· 13.11 mi
2:13:37
Rank: #22380 (-25)
20K → Half
7:17 | 10:41/mi
25K· 15.53 mi
2:41:28
Rank: #22402 (-22)
Half → 25K
27:51 | 11:29/mi
30K· 18.64 mi
3:18:48
Rank: #22333 (+69)
25K → 30K
37:20 | 12:01/mi
20M
3:35:56
Rank: #22310 (+23)
30K → 20M
17:08 | 12:36/mi
21M
3:49:00
Rank: #22249 (+61)
20M → 21M
13:04 | 13:04/mi
35K· 21.75 mi
3:58:02
Rank: #22244 (+5)
21M → 35K
9:02 | 12:04/mi
23M
4:14:16
Rank: #22281 (-37)
35K → 23M
16:14 | 12:58/mi
24M
4:26:51
Rank: #22289 (-8)
23M → 24M
12:35 | 12:35/mi
40K· 24.85 mi
4:37:58
Rank: #22288 (+1)
24M → 40K
11:07 | 13:00/mi
25.2M
4:42:32
Rank: #22260 (+28)
40K → 25.2M
4:34 | 13:15/mi
Finish· 26.22 mi
4:53:18
Rank: #22190 (+70)
25.2M → Finish
10:46 | 10:34/mi

Course Map & Elevation

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:13:37
Pace10:12 /mi
2nd Half
Distance13.11 mi
Time2:39:41
Pace12:11 /mi
📊Positive Split: 19.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:4729:299:2929:29
9:29
-
10K
6.21 mi12:22:411:00:239:4330:54
9:57
+0:28
15K
9.32 mi12:54:471:32:299:5532:06
10:20
+0:23
20K
12.43 mi13:28:382:06:2010:1033:51
10:54
+0:34
Half
13.11 mi13:35:552:13:3710:127:17
10:41
-0:13
25K
15.53 mi14:03:462:41:2810:2427:51
11:29
+0:48
30K
18.64 mi14:41:063:18:4810:4037:20
12:01
+0:32
20M
20.00 mi14:58:143:35:5610:4817:08
12:36
+0:35
21M
21.00 mi15:11:183:49:0010:5413:04
13:04
+0:28
35K
21.75 mi15:20:203:58:0210:579:02
12:04
-1:00
23M
23.00 mi15:36:344:14:1611:0316:14
12:58
+0:54
24M
24.00 mi15:49:094:26:5111:0712:35
12:35
-0:23
40K
24.85 mi16:00:164:37:5811:1111:07
13:00
+0:25
25.2M
25.20 mi16:04:504:42:3211:134:34
13:15
+0:15
Finish
26.22 mi16:15:364:53:1811:1210:46
10:34
-2:41

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

9:29 /mi

Average Pace

11:12 /mi

Slowest Pace

13:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

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

2:24:23

49% of race

Time at Steady Pace

1:43:56

35% of race

Time at Slower Pace

44:59

15% of race

Average Pace: 11:11 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:51:4729:299:2929:29
9:29
#21705
10K
6.21 mi12:22:411:00:239:4330:54
9:57
#22119
15K
9.32 mi12:54:471:32:299:5532:06
10:20
#22311
20K
12.43 mi13:28:382:06:2010:1033:51
10:54
#22355
Half
13.11 mi13:35:552:13:3710:127:17
10:41
#22380
25K
15.53 mi14:03:462:41:2810:2427:51
11:29
#22402
30K
18.64 mi14:41:063:18:4810:4037:20
12:01
#22333
20M
20.00 mi14:58:143:35:5610:4817:08
12:36
#22310
21M
21.00 mi15:11:183:49:0010:5413:04
13:04
#22249
35K
21.75 mi15:20:203:58:0210:579:02
12:04
#22244
23M
23.00 mi15:36:344:14:1611:0316:14
12:58
#22281
24M
24.00 mi15:49:094:26:5111:0712:35
12:35
#22289
40K
24.85 mi16:00:164:37:5811:1111:07
13:00
#22288
25.2M
25.20 mi16:04:504:42:3211:134:34
13:15
#22260
Finish
26.22 mi16:15:364:53:1811:1210:46
10:34
#22190
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi21705128921289222604(Top 88%)13346(Top 92%)13346(Top 275%)
10K6.21 mi3.10 mi22119-41413101-20913101-20922419(Top 88%)13238(Top 91%)13238(Top 273%)
15K9.32 mi3.11 mi22311-19213215-11413215-11422604(Top 88%)13346(Top 92%)13346(Top 275%)
20K12.43 mi3.11 mi22355-4413217-213217-222444(Top 88%)13246(Top 91%)13246(Top 273%)
Half13.11 mi0.68 mi22380-2513233-1613233-1622967(Top 90%)13442(Top 92%)13442(Top 277%)
25K15.53 mi2.42 mi22402-2213235-213235-222384(Top 88%)13133(Top 90%)13133(Top 271%)
30K18.64 mi3.11 mi22333+6913152+8313152+8321963(Top 86%)12779(Top 88%)12779(Top 264%)
20M20.00 mi1.36 mi22310+2313127+2513127+2522314(Top 87%)12860(Top 88%)12860(Top 265%)
21M21.00 mi1.00 mi22249+6113077+5013077+5020852(Top 82%)12082(Top 83%)12082(Top 249%)
35K21.75 mi0.75 mi22244+513063+1413063+1421922(Top 86%)12566(Top 86%)12566(Top 259%)
23M23.00 mi1.25 mi22281-3713060+313060+322475(Top 88%)12838(Top 88%)12838(Top 265%)
24M24.00 mi1.00 mi22289-813038+2213038+2222406(Top 88%)12731(Top 87%)12731(Top 263%)
40K24.85 mi0.85 mi22288+113028+1013028+1022270(Top 87%)12647(Top 87%)12647(Top 261%)
25.2M25.20 mi0.35 mi22260+2813004+2413004+2420194(Top 79%)11545(Top 79%)11545(Top 238%)
Finish26.22 mi1.02 mi22190+7012951+5312951+5320200(Top 79%)11582(Top 79%)11582(Top 239%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21stories
+97ft-345ft

Overall

22604

Males

13346

M18-39

13346

5K→10K

3.1 - 6.2 mi

Top 88%
×5stories
+79ft-138ft

Overall

22419

Males

13238

M18-39

13238

10K→15K

6.2 - 9.3 mi

Top 88%
×3stories
+67ft-78ft

Overall

22604

Males

13346

M18-39

13346

15K→20K

9.3 - 12.4 mi

Top 88%
×5stories
+106ft-86ft

Overall

22444

Males

13246

M18-39

13246

20K→Half

12.4 - 13.1 mi

Top 90%
×2stories
+19ft-37ft

Overall

22967

Males

13442

M18-39

13442

Half→25K

13.1 - 15.5 mi

Top 88%
×4stories
+66ft-88ft

Overall

22384

Males

13133

M18-39

13133

25K→30K

15.5 - 18.6 mi

Top 86%
×9stories
+181ft-148ft

Overall

21963

Males

12779

M18-39

12779

30K→20M

18.6 - 20.0 mi

Top 87%
×5stories
+64ft-50ft

Overall

22314

Males

12860

M18-39

12860

20M→21M

20.0 - 21.0 mi

Top 82%
×8stories
+106ft-24ft

Overall

20852

Males

12082

M18-39

12082

21M→35K

21.0 - 21.8 mi

Top 86%
×7stories
+17ft-86ft

Overall

21922

Males

12566

M18-39

12566

35K→23M

21.8 - 23.0 mi

Top 88%
×5stories
+23ft-63ft

Overall

22475

Males

12838

M18-39

12838

23M→24M

23.0 - 24.0 mi

Top 88%
×6stories
+12ft-82ft

Overall

22406

Males

12731

M18-39

12731

24M→40K

24.0 - 24.9 mi

Top 87%
×1story
+6ft-20ft

Overall

22270

Males

12647

M18-39

12647

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

20194

Males

11545

M18-39

11545

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2stories
+22ft-21ft

Overall

20200

Males

11582

M18-39

11582

Passing Analysis

Category:
Athletes Passed
1189
Passed By
1674
Net Change
-485
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21705
5K → 10K90504-414#21705#22119
10K → 15K114306-192#22119#22311
15K → 20K158202-44#22311#22355
20K → Half1843-25#22355#22380
Half → 25K122144-22#22380#22402
25K → 30K184115+69#22402#22333
30K → 20M8663+23#22333#22310
20M → 21M9433+61#22310#22249
21M → 35K5045+5#22249#22244
35K → 23M5289-37#22244#22281
23M → 24M5462-8#22281#22289
24M → 40K4645+1#22289#22288
40K → 25.2M368+28#22288#22260
25.2M → Finish8515+70#22260#22190
TOTALS11891674-485
📊

Passing Visuals

Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing