Boston Marathon logo
BOSTON MARATHON 2024

Zach Bush

Bib: 8573•M

AZ

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Top 34%
Gender (Male)
#0 / 14578
Top 45%
Masters (Masters Men)
#0 / 9729
Top 35%
Division (M40-44)
#0 / 2009
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:41
Rank: #11714
Start → 5K
23:41 | 7:37/mi
10K· 6.21 mi
47:01
Rank: #11040 (+674)
5K → 10K
23:20 | 7:31/mi
15K· 9.32 mi
1:10:17
Rank: #10506 (+534)
10K → 15K
23:16 | 7:29/mi
20K· 12.43 mi
1:33:35
Rank: #9860 (+646)
15K → 20K
23:18 | 7:30/mi
Half· 13.11 mi
1:38:38
Rank: #9763 (+97)
20K → Half
5:03 | 7:24/mi
25K· 15.53 mi
1:57:09
Rank: #9363 (+400)
Half → 25K
18:31 | 7:38/mi
30K· 18.64 mi
2:21:53
Rank: #8938 (+425)
25K → 30K
24:44 | 7:58/mi
20M
2:33:04
Rank: #8784 (+154)
30K → 20M
11:11 | 8:14/mi
21M
2:41:58
Rank: #8662 (+122)
20M → 21M
8:54 | 8:54/mi
35K· 21.75 mi
2:48:14
Rank: #8665 (-3)
21M → 35K
6:16 | 8:23/mi
23M
2:59:05
Rank: #8628 (+37)
35K → 23M
10:51 | 8:40/mi
24M
3:07:39
Rank: #8643 (-15)
23M → 24M
8:34 | 8:34/mi
40K· 24.85 mi
3:14:50
Rank: #8551 (+92)
24M → 40K
7:11 | 8:24/mi
25.2M
3:18:11
Rank: #8551
40K → 25.2M
3:21 | 9:43/mi
Finish· 26.22 mi
3:26:34
Rank: #8573 (-22)
25.2M → Finish
8:23 | 8:14/mi

The Course

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
Time1:38:38
Pace7:31 /mi
2nd Half
Distance13.11 mi
Time1:47:56
Pace8:14 /mi
📊Positive Split: 9.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:2523:417:3723:41
7:37
-
10K
6.21 mi11:12:4547:017:3423:20
7:31
-0:06
15K
9.32 mi11:36:011:10:177:3223:16
7:29
-0:02
20K
12.43 mi11:59:191:33:357:3223:18
7:30
+0:01
Half
13.11 mi12:04:221:38:387:315:03
7:24
-0:06
25K
15.53 mi12:22:531:57:097:3218:31
7:38
+0:14
30K
18.64 mi12:47:372:21:537:3724:44
7:58
+0:20
20M
20.00 mi12:58:482:33:047:3911:11
8:14
+0:16
21M
21.00 mi13:07:422:41:587:438:54
8:54
+0:40
35K
21.75 mi13:13:582:48:147:446:16
8:23
-0:31
23M
23.00 mi13:24:492:59:057:4710:51
8:40
+0:17
24M
24.00 mi13:33:233:07:397:498:34
8:34
-0:06
40K
24.85 mi13:40:343:14:507:507:11
8:24
-0:10
25.2M
25.20 mi13:43:553:18:117:523:21
9:43
+1:19
Finish
26.22 mi13:52:183:26:347:538:23
8:14
-1:29

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

7:24 /mi

Average Pace

7:53 /mi

Slowest Pace

9:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:57:09

57% of race

Time at Steady Pace

57:45

28% of race

Time at Slower Pace

31:40

15% of race

Average Pace: 7:53 /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 mi10:49:2523:417:3723:41
7:37
#11714
10K
6.21 mi11:12:4547:017:3423:20
7:31
#11040
15K
9.32 mi11:36:011:10:177:3223:16
7:29
#10506
20K
12.43 mi11:59:191:33:357:3223:18
7:30
#9860
Half
13.11 mi12:04:221:38:387:315:03
7:24
#9763
25K
15.53 mi12:22:531:57:097:3218:31
7:38
#9363
30K
18.64 mi12:47:372:21:537:3724:44
7:58
#8938
20M
20.00 mi12:58:482:33:047:3911:11
8:14
#8784
21M
21.00 mi13:07:422:41:587:438:54
8:54
#8662
35K
21.75 mi13:13:582:48:147:446:16
8:23
#8665
23M
23.00 mi13:24:492:59:057:4710:51
8:40
#8628
24M
24.00 mi13:33:233:07:397:498:34
8:34
#8643
40K
24.85 mi13:40:343:14:507:507:11
8:24
#8551
25.2M
25.20 mi13:43:553:18:117:523:21
9:43
#8551
Finish
26.22 mi13:52:183:26:347:538:23
8:14
#8573
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi11714871987199585(Top 38%)7594(Top 52%)7594(Top 378%)
10K6.21 mi3.10 mi11040+6748374+3458374+34510345(Top 40%)8047(Top 55%)8047(Top 401%)
15K9.32 mi3.11 mi10506+5348125+2498125+2499585(Top 38%)7594(Top 52%)7594(Top 378%)
20K12.43 mi3.11 mi9860+6467766+3597766+3598366(Top 33%)6816(Top 47%)6816(Top 339%)
Half13.11 mi0.68 mi9763+977705+617705+618379(Top 33%)6829(Top 47%)6829(Top 340%)
25K15.53 mi2.42 mi9363+4007461+2447461+2447868(Top 31%)6349(Top 44%)6349(Top 316%)
30K18.64 mi3.11 mi8938+4257135+3267135+3267644(Top 30%)6004(Top 41%)6004(Top 299%)
20M20.00 mi1.36 mi8784+1546985+1506985+1507985(Top 31%)5995(Top 41%)5995(Top 298%)
21M21.00 mi1.00 mi8662+1226866+1196866+1198083(Top 32%)5844(Top 40%)5844(Top 291%)
35K21.75 mi0.75 mi8665-36825+416825+419973(Top 39%)6729(Top 46%)6729(Top 335%)
23M23.00 mi1.25 mi8628+376735+906735+909363(Top 37%)6279(Top 43%)6279(Top 313%)
24M24.00 mi1.00 mi8643-156710+256710+259825(Top 38%)6451(Top 44%)6451(Top 321%)
40K24.85 mi0.85 mi8551+926609+1016609+1017843(Top 31%)5301(Top 36%)5301(Top 264%)
25.2M25.20 mi0.35 mi85516586+236586+239629(Top 38%)6149(Top 42%)6149(Top 306%)
Finish26.22 mi1.02 mi8573-226553+336553+339895(Top 39%)6399(Top 44%)6399(Top 319%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21stories
+97ft-345ft

Overall

9585

Males

7594

M40-44

7594

5K→10K

3.1 - 6.2 mi

Top 40%
×5stories
+79ft-138ft

Overall

10345

Males

8047

M40-44

8047

10K→15K

6.2 - 9.3 mi

Top 38%
×3stories
+67ft-78ft

Overall

9585

Males

7594

M40-44

7594

15K→20K

9.3 - 12.4 mi

Top 33%
×5stories
+106ft-86ft

Overall

8366

Males

6816

M40-44

6816

20K→Half

12.4 - 13.1 mi

Top 33%
×2stories
+19ft-37ft

Overall

8379

Males

6829

M40-44

6829

Half→25K

13.1 - 15.5 mi

Top 31%
×4stories
+66ft-88ft

Overall

7868

Males

6349

M40-44

6349

25K→30K

15.5 - 18.6 mi

Top 30%
×9stories
+181ft-148ft

Overall

7644

Males

6004

M40-44

6004

30K→20M

18.6 - 20.0 mi

Top 31%
×5stories
+64ft-50ft

Overall

7985

Males

5995

M40-44

5995

20M→21M

20.0 - 21.0 mi

Top 32%
×8stories
+106ft-24ft

Overall

8083

Males

5844

M40-44

5844

21M→35K

21.0 - 21.8 mi

Top 39%
×7stories
+17ft-86ft

Overall

9973

Males

6729

M40-44

6729

35K→23M

21.8 - 23.0 mi

Top 37%
×5stories
+23ft-63ft

Overall

9363

Males

6279

M40-44

6279

23M→24M

23.0 - 24.0 mi

Top 38%
×6stories
+12ft-82ft

Overall

9825

Males

6451

M40-44

6451

24M→40K

24.0 - 24.9 mi

Top 31%
×1story
+6ft-20ft

Overall

7843

Males

5301

M40-44

5301

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

9629

Males

6149

M40-44

6149

25.2M→Finish

25.2 - 26.2 mi

Top 39%
×2stories
+22ft-21ft

Overall

9895

Males

6399

M40-44

6399

Passing Analysis

Category:
Athletes Passed
3903*
Passed By
762
Net Change
+3141
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11714
5K → 10K72551+674#11714#11040
10K → 15K55319+534#11040#10506
15K → 20K652*6+646#10506#9860
20K → Half992+97#9860#9763
Half → 25K42727+400#9763#9363
25K → 30K50681+425#9363#8938
30K → 20M20450+154#8938#8784
20M → 21M17755+122#8784#8662
21M → 35K8487-3#8662#8665
35K → 23M145108+37#8665#8628
23M → 24M8196-15#8628#8643
24M → 40K13442+92#8643#8551
40K → 25.2M44440#8551#8551
25.2M → Finish7294-22#8551#8573
TOTALS3903*762+3141

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

📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

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