Boston Marathon logo
BOSTON MARATHON 2024

Zach Anderson

Bib: 2170•M

TN

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 25550
Top 2%
Gender (Male)
#0 / 14578
Top 3%
Division (M18-39)
#0 / 4849
Top 7%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:19
Rank: #673
Start → 5K
18:19 | 5:54/mi
10K· 6.21 mi
36:36
Rank: #639 (+34)
5K → 10K
18:17 | 5:53/mi
15K· 9.32 mi
55:02
Rank: #623 (+16)
10K → 15K
18:26 | 5:56/mi
20K· 12.43 mi
1:13:31
Rank: #574 (+49)
15K → 20K
18:29 | 5:57/mi
Half· 13.11 mi
1:17:34
Rank: #572 (+2)
20K → Half
4:03 | 5:56/mi
25K· 15.53 mi
1:32:02
Rank: #527 (+45)
Half → 25K
14:28 | 5:58/mi
30K· 18.64 mi
1:51:05
Rank: #464 (+63)
25K → 30K
19:03 | 6:08/mi
20M
1:59:26
Rank: #440 (+24)
30K → 20M
8:21 | 6:09/mi
21M
2:05:54
Rank: #412 (+28)
20M → 21M
6:28 | 6:28/mi
35K· 21.75 mi
2:10:22
Rank: #400 (+12)
21M → 35K
4:28 | 5:58/mi
23M
2:18:16
Rank: #379 (+21)
35K → 23M
7:54 | 6:19/mi
24M
2:24:27
Rank: #367 (+12)
23M → 24M
6:11 | 6:11/mi
40K· 24.85 mi
2:30:02
Rank: #379 (-12)
24M → 40K
5:35 | 6:32/mi
25.2M
2:32:32
Rank: #384 (-5)
40K → 25.2M
2:30 | 7:15/mi
Finish· 26.22 mi
2:39:08
Rank: #395 (-11)
25.2M → Finish
6:36 | 6:29/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
Time1:17:34
Pace5:55 /mi
2nd Half
Distance13.11 mi
Time1:21:34
Pace6:13 /mi
📊Positive Split: 5.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:0918:195:5418:19
5:54
-
10K
6.21 mi10:37:2636:365:5318:17
5:53
-0:01
15K
9.32 mi10:55:5255:025:5418:26
5:56
+0:03
20K
12.43 mi11:14:211:13:315:5518:29
5:57
+0:01
Half
13.11 mi11:18:241:17:345:554:03
5:56
-0:01
25K
15.53 mi11:32:521:32:025:5514:28
5:58
+0:02
30K
18.64 mi11:51:551:51:055:5819:03
6:08
+0:10
20M
20.00 mi12:00:161:59:265:588:21
6:09
+0:01
21M
21.00 mi12:06:442:05:546:006:28
6:28
+0:19
35K
21.75 mi12:11:122:10:226:004:28
5:58
-0:30
23M
23.00 mi12:19:062:18:166:017:54
6:19
+0:21
24M
24.00 mi12:25:172:24:276:016:11
6:11
-0:08
40K
24.85 mi12:30:522:30:026:025:35
6:32
+0:21
25.2M
25.20 mi12:33:222:32:326:032:30
7:15
+0:43
Finish
26.22 mi12:39:582:39:086:046:36
6:29
-0:46

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

5:53 /mi

Average Pace

6:04 /mi

Slowest Pace

7:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:17:34

49% of race

Time at Steady Pace

52:31

33% of race

Time at Slower Pace

29:03

18% of race

Average Pace: 6:04 /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 mi10:19:0918:195:5418:19
5:54
#673
10K
6.21 mi10:37:2636:365:5318:17
5:53
#639
15K
9.32 mi10:55:5255:025:5418:26
5:56
#623
20K
12.43 mi11:14:211:13:315:5518:29
5:57
#574
Half
13.11 mi11:18:241:17:345:554:03
5:56
#572
25K
15.53 mi11:32:521:32:025:5514:28
5:58
#527
30K
18.64 mi11:51:551:51:055:5819:03
6:08
#464
20M
20.00 mi12:00:161:59:265:588:21
6:09
#440
21M
21.00 mi12:06:442:05:546:006:28
6:28
#412
35K
21.75 mi12:11:122:10:226:004:28
5:58
#400
23M
23.00 mi12:19:062:18:166:017:54
6:19
#379
24M
24.00 mi12:25:172:24:276:016:11
6:11
#367
40K
24.85 mi12:30:522:30:026:025:35
6:32
#379
25.2M
25.20 mi12:33:222:32:326:032:30
7:15
#384
Finish
26.22 mi12:39:582:39:086:046:36
6:29
#395
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi673646646608(Top 2%)586(Top 4%)586(Top 12%)
10K6.21 mi3.10 mi639+34614+32614+32603(Top 2%)579(Top 4%)579(Top 12%)
15K9.32 mi3.11 mi623+16600+14600+14608(Top 2%)586(Top 4%)586(Top 12%)
20K12.43 mi3.11 mi574+49552+48552+48480(Top 2%)458(Top 3%)458(Top 9%)
Half13.11 mi0.68 mi572+2549+3549+3606(Top 2%)581(Top 4%)581(Top 12%)
25K15.53 mi2.42 mi527+45504+45504+45412(Top 2%)389(Top 3%)389(Top 8%)
30K18.64 mi3.11 mi464+63441+63441+63382(Top 1%)355(Top 2%)355(Top 7%)
20M20.00 mi1.36 mi440+24417+24417+24334(Top 1%)308(Top 2%)308(Top 6%)
21M21.00 mi1.00 mi412+28389+28389+28311(Top 1%)289(Top 2%)289(Top 6%)
35K21.75 mi0.75 mi400+12377+12377+12340(Top 1%)314(Top 2%)314(Top 6%)
23M23.00 mi1.25 mi379+21356+21356+21422(Top 2%)394(Top 3%)394(Top 8%)
24M24.00 mi1.00 mi367+12344+12344+12436(Top 2%)405(Top 3%)405(Top 8%)
40K24.85 mi0.85 mi379-12353-9353-9768(Top 3%)715(Top 5%)715(Top 15%)
25.2M25.20 mi0.35 mi384-5358-5358-5907(Top 4%)834(Top 6%)834(Top 17%)
Finish26.22 mi1.02 mi395-11369-11369-111307(Top 5%)1187(Top 8%)1187(Top 24%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

608

Males

586

M18-39

586

5K→10K

3.1 - 6.2 mi

Top 2%
×5stories
+79ft-138ft

Overall

603

Males

579

M18-39

579

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

608

Males

586

M18-39

586

15K→20K

9.3 - 12.4 mi

Top 2%
×5stories
+106ft-86ft

Overall

480

Males

458

M18-39

458

20K→Half

12.4 - 13.1 mi

Top 2%
×2stories
+19ft-37ft

Overall

606

Males

581

M18-39

581

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

412

Males

389

M18-39

389

25K→30K

15.5 - 18.6 mi

Top 1%
×9stories
+181ft-148ft

Overall

382

Males

355

M18-39

355

30K→20M

18.6 - 20.0 mi

Top 1%
×5stories
+64ft-50ft

Overall

334

Males

308

M18-39

308

20M→21M

20.0 - 21.0 mi

Top 1%
×8stories
+106ft-24ft

Overall

311

Males

289

M18-39

289

21M→35K

21.0 - 21.8 mi

Top 1%
×7stories
+17ft-86ft

Overall

340

Males

314

M18-39

314

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

422

Males

394

M18-39

394

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

436

Males

405

M18-39

405

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

768

Males

715

M18-39

715

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

907

Males

834

M18-39

834

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2stories
+22ft-21ft

Overall

1307

Males

1187

M18-39

1187

Passing Analysis

Category:
Athletes Passed
392
Passed By
114
Net Change
+278
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#673
5K → 10K5723+34#673#639
10K → 15K3014+16#639#623
15K → 20K556+49#623#574
20K → Half53+2#574#572
Half → 25K538+45#572#527
25K → 30K674+63#527#464
30K → 20M306+24#464#440
20M → 21M280+28#440#412
21M → 35K153+12#412#400
35K → 23M254+21#400#379
23M → 24M142+12#379#367
24M → 40K618-12#367#379
40K → 25.2M38-5#379#384
25.2M → Finish415-11#384#395
TOTALS392114+278
📊

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