Boston Marathon logo
BOSTON MARATHON 2024

Chandler Harkins

Bib: 1518•M

IN

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 25550
Top 7%
Gender (Male)
#0 / 14578
Top 11%
Division (M18-39)
#0 / 4849
Top 26%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
6:03/mi
18:49
↑ 97↓ 3451.5%
10K· 6.21 mi
6:06/mi
37:46
↑ 79↓ 1380.4%
15K· 9.32 mi
6:05/mi
56:40
↑ 67↓ 78
20K· 12.43 mi
6:03/mi
1:15:29
↑ 106↓ 860.1%
Half· 13.11 mi
6:01/mi
1:19:35
↑ 19↓ 370.5%
25K· 15.53 mi
6:13/mi
1:34:39
↑ 66↓ 880.2%
30K· 18.64 mi
6:36/mi
1:55:09
↑ 181↓ 1480.2%
20M
6:59/mi
2:04:39
↑ 64↓ 500.2%
21M
7:49/mi
2:12:28
↑ 106↓ 241.6%
35K· 21.75 mi
7:10/mi
2:17:50
↑ 17↓ 861.7%
23M
7:36/mi
2:27:21
↑ 23↓ 630.6%
24M
7:36/mi
2:34:57
↓ 821.3%
40K· 24.85 mi
8:14/mi
2:41:59
↓ 200.3%
25.2M
10:03/mi
2:45:27
↑ 13↓ 160.2%
Finish· 26.22 mi
8:10/mi
2:53:46
↑ 22↓ 21

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
Time1:19:35
Pace6:04 /mi
2nd Half
Distance13.11 mi
Time1:34:11
Pace7:11 /mi
📊Positive Split: 18.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:0918:496:0318:49
6:03
-
10K
6.21 mi10:38:0637:466:0518:57
6:06
+0:03
15K
9.32 mi10:57:0056:406:0518:54
6:05
-0:01
20K
12.43 mi11:15:491:15:296:0418:49
6:03
-0:02
Half
13.11 mi11:19:551:19:356:044:06
6:01
-0:02
25K
15.53 mi11:34:591:34:396:0615:04
6:13
+0:12
30K
18.64 mi11:55:291:55:096:1120:30
6:36
+0:23
20M
20.00 mi12:04:592:04:396:149:30
6:59
+0:23
21M
21.00 mi12:12:482:12:286:187:49
7:49
+0:50
35K
21.75 mi12:18:102:17:506:205:22
7:10
-0:39
23M
23.00 mi12:27:412:27:216:249:31
7:36
+0:26
24M
24.00 mi12:35:172:34:576:277:36
7:36
0:00
40K
24.85 mi12:42:192:41:596:317:02
8:14
+0:38
25.2M
25.20 mi12:45:472:45:276:343:28
10:03
+1:49
Finish
26.22 mi12:54:062:53:466:388:19
8:10
-1:53

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

6:01 /mi

Average Pace

6:38 /mi

Slowest Pace

10:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:34:39

54% of race

Time at Steady Pace

35:22

20% of race

Time at Slower Pace

43:45

25% of race

Average Pace: 6:38 /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 mi10:19:0918:496:0318:49
6:03
#1100
10K
6.21 mi10:38:0637:466:0518:57
6:06
#1120
15K
9.32 mi10:57:0056:406:0518:54
6:05
#1056
20K
12.43 mi11:15:491:15:296:0418:49
6:03
#936
Half
13.11 mi11:19:551:19:356:044:06
6:01
#929
25K
15.53 mi11:34:591:34:396:0615:04
6:13
#908
30K
18.64 mi11:55:291:55:096:1120:30
6:36
#934
20M
20.00 mi12:04:592:04:396:149:30
6:59
#954
21M
21.00 mi12:12:482:12:286:187:49
7:49
#1056
35K
21.75 mi12:18:102:17:506:205:22
7:10
#1104
23M
23.00 mi12:27:412:27:216:249:31
7:36
#1206
24M
24.00 mi12:35:172:34:576:277:36
7:36
#1312
40K
24.85 mi12:42:192:41:596:317:02
8:14
#1441
25.2M
25.20 mi12:45:472:45:276:343:28
10:03
#1536
Finish
26.22 mi12:54:062:53:466:388:19
8:10
#1702
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1100106110611007(Top 4%)971(Top 7%)971(Top 20%)
10K6.21 mi3.10 mi1120-201080-191080-191152(Top 5%)1113(Top 8%)1113(Top 23%)
15K9.32 mi3.11 mi1056+641017+631017+631007(Top 4%)971(Top 7%)971(Top 20%)
20K12.43 mi3.11 mi936+120901+116901+116728(Top 3%)697(Top 5%)697(Top 14%)
Half13.11 mi0.68 mi929+7894+7894+7828(Top 3%)799(Top 5%)799(Top 16%)
25K15.53 mi2.42 mi908+21874+20874+20890(Top 3%)857(Top 6%)857(Top 18%)
30K18.64 mi3.11 mi934-26901-27901-271322(Top 5%)1263(Top 9%)1263(Top 26%)
20M20.00 mi1.36 mi954-20920-19920-192300(Top 9%)2151(Top 15%)2151(Top 44%)
21M21.00 mi1.00 mi1056-1021015-951015-953482(Top 14%)3079(Top 21%)3079(Top 63%)
35K21.75 mi0.75 mi1104-481061-461061-463662(Top 14%)3207(Top 22%)3207(Top 66%)
23M23.00 mi1.25 mi1206-1021159-981159-983985(Top 16%)3365(Top 23%)3365(Top 69%)
24M24.00 mi1.00 mi1312-1061261-1021261-1024501(Top 18%)3598(Top 25%)3598(Top 74%)
40K24.85 mi0.85 mi1441-1291380-1191380-1196888(Top 27%)4783(Top 33%)4783(Top 99%)
25.2M25.20 mi0.35 mi1536-951467-871467-8711057(Top 43%)6882(Top 47%)6882(Top 142%)
Finish26.22 mi1.02 mi1702-1661626-1591626-1599508(Top 37%)6191(Top 42%)6191(Top 128%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21story building
+97ft-345ft

Overall

1007

Males

971

M18-39

971

5K→10K

3.1 - 6.2 mi

Top 5%
×5story building
+79ft-138ft

Overall

1152

Males

1113

M18-39

1113

10K→15K

6.2 - 9.3 mi

Top 4%
×3story building
+67ft-78ft

Overall

1007

Males

971

M18-39

971

15K→20K

9.3 - 12.4 mi

Top 3%
×5story building
+106ft-86ft

Overall

728

Males

697

M18-39

697

20K→Half

12.4 - 13.1 mi

Top 3%
×2story building
+19ft-37ft

Overall

828

Males

799

M18-39

799

Half→25K

13.1 - 15.5 mi

Top 3%
×4story building
+66ft-88ft

Overall

890

Males

857

M18-39

857

25K→30K

15.5 - 18.6 mi

Top 5%
×9story building
+181ft-148ft

Overall

1322

Males

1263

M18-39

1263

30K→20M

18.6 - 20.0 mi

Top 9%
×5story building
+64ft-50ft

Overall

2300

Males

2151

M18-39

2151

20M→21M

20.0 - 21.0 mi

Top 14%
×8story building
+106ft-24ft

Overall

3482

Males

3079

M18-39

3079

21M→35K

21.0 - 21.8 mi

Top 14%
×7story building
+17ft-86ft

Overall

3662

Males

3207

M18-39

3207

35K→23M

21.8 - 23.0 mi

Top 16%
×5story building
+23ft-63ft

Overall

3985

Males

3365

M18-39

3365

23M→24M

23.0 - 24.0 mi

Top 18%
×6story building
+12ft-82ft

Overall

4501

Males

3598

M18-39

3598

24M→40K

24.0 - 24.9 mi

Top 27%
×1story
+6ft-20ft

Overall

6888

Males

4783

M18-39

4783

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

11057

Males

6882

M18-39

6882

25.2M→Finish

25.2 - 26.2 mi

Top 37%
×2story building
+22ft-21ft

Overall

9508

Males

6191

M18-39

6191

Passing Analysis

Category:
Athletes Passed
422
Passed By
1024
Net Change
-602
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1100
5K → 10K5575-20#1100#1120
10K → 15K8016+64#1120#1056
15K → 20K1255+120#1056#936
20K → Half92+7#936#929
Half → 25K4322+21#929#908
25K → 30K4369-26#908#934
30K → 20M2646-20#934#954
20M → 21M7109-102#954#1056
21M → 35K755-48#1056#1104
35K → 23M6108-102#1104#1206
23M → 24M6112-106#1206#1312
24M → 40K3132-129#1312#1441
40K → 25.2M398-95#1441#1536
25.2M → Finish9175-166#1536#1702
TOTALS4221024-602
📊

Passing Visuals

Category:
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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing