Boston Marathon logo
BOSTON MARATHON 2024

Nathan O'connor

Bib: 486•M

IN

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 25550
Top 0.9%
Gender (Male)
#0 / 14578
Top 1%
Division (M18-39)
#0 / 4849
Top 4%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
16:46
Rank: #94
Start → 5K
16:46 | 5:24/mi
10K· 6.21 mi
33:42
Rank: #89 (+5)
5K → 10K
16:56 | 5:27/mi
15K· 9.32 mi
50:37
Rank: #71 (+18)
10K → 15K
16:55 | 5:27/mi
20K· 12.43 mi
1:08:18
Rank: #84 (-13)
15K → 20K
17:41 | 5:42/mi
Half· 13.11 mi
1:12:03
Rank: #88 (-4)
20K → Half
3:45 | 5:30/mi
25K· 15.53 mi
1:27:03
Rank: #144 (-56)
Half → 25K
15:00 | 6:11/mi
30K· 18.64 mi
1:46:40
Rank: #192 (-48)
25K → 30K
19:37 | 6:19/mi
20M
1:55:20
Rank: #214 (-22)
30K → 20M
8:40 | 6:23/mi
21M
2:02:02
Rank: #218 (-4)
20M → 21M
6:42 | 6:42/mi
35K· 21.75 mi
2:06:42
Rank: #222 (-4)
21M → 35K
4:40 | 6:14/mi
23M
2:14:51
Rank: #230 (-8)
35K → 23M
8:09 | 6:31/mi
24M
2:21:05
Rank: #232 (-2)
23M → 24M
6:14 | 6:14/mi
40K· 24.85 mi
2:26:27
Rank: #231 (+1)
24M → 40K
5:22 | 6:17/mi
25.2M
2:28:50
Rank: #234 (-3)
40K → 25.2M
2:23 | 6:55/mi
Finish· 26.22 mi
2:35:07
Rank: #236 (-2)
25.2M → Finish
6:17 | 6:10/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
Time1:12:03
Pace5:30 /mi
2nd Half
Distance13.11 mi
Time1:23:04
Pace6:20 /mi
📊Positive Split: 15.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:16:4816:465:2416:46
5:24
-
10K
6.21 mi10:33:4433:425:2516:56
5:27
+0:03
15K
9.32 mi10:50:3950:375:2616:55
5:27
0:00
20K
12.43 mi11:08:201:08:185:3017:41
5:42
+0:15
Half
13.11 mi11:12:051:12:035:303:45
5:30
-0:12
25K
15.53 mi11:27:051:27:035:3615:00
6:11
+0:41
30K
18.64 mi11:46:421:46:405:4319:37
6:19
+0:08
20M
20.00 mi11:55:221:55:205:468:40
6:23
+0:04
21M
21.00 mi12:02:042:02:025:496:42
6:42
+0:19
35K
21.75 mi12:06:442:06:425:504:40
6:14
-0:28
23M
23.00 mi12:14:532:14:515:528:09
6:31
+0:17
24M
24.00 mi12:21:072:21:055:536:14
6:14
-0:17
40K
24.85 mi12:26:292:26:275:545:22
6:17
+0:03
25.2M
25.20 mi12:28:522:28:505:542:23
6:55
+0:38
Finish
26.22 mi12:35:092:35:075:556:17
6:10
-0:45

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

5:24 /mi

Average Pace

5:55 /mi

Slowest Pace

6:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:12:03

46% of race

Time at Steady Pace

1:05:50

42% of race

Time at Slower Pace

17:14

11% of race

Average Pace: 5:55 /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 mi10:16:4816:465:2416:46
5:24
#94
10K
6.21 mi10:33:4433:425:2516:56
5:27
#89
15K
9.32 mi10:50:3950:375:2616:55
5:27
#71
20K
12.43 mi11:08:201:08:185:3017:41
5:42
#84
Half
13.11 mi11:12:051:12:035:303:45
5:30
#88
25K
15.53 mi11:27:051:27:035:3615:00
6:11
#144
30K
18.64 mi11:46:421:46:405:4319:37
6:19
#192
20M
20.00 mi11:55:221:55:205:468:40
6:23
#214
21M
21.00 mi12:02:042:02:025:496:42
6:42
#218
35K
21.75 mi12:06:442:06:425:504:40
6:14
#222
23M
23.00 mi12:14:532:14:515:528:09
6:31
#230
24M
24.00 mi12:21:072:21:055:536:14
6:14
#232
40K
24.85 mi12:26:292:26:275:545:22
6:17
#231
25.2M
25.20 mi12:28:522:28:505:542:23
6:55
#234
Finish
26.22 mi12:35:092:35:075:556:17
6:10
#236
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi94787864(Top 0.3%)64(Top 0.4%)64(Top 1%)
10K6.21 mi3.10 mi89+573+573+5101(Top 0.4%)84(Top 0.6%)84(Top 2%)
15K9.32 mi3.11 mi71+1871+271+264(Top 0.3%)64(Top 0.4%)64(Top 1%)
20K12.43 mi3.11 mi84-1384-1384-13166(Top 0.6%)163(Top 1%)163(Top 3%)
Half13.11 mi0.68 mi88-488-488-498(Top 0.4%)98(Top 0.7%)98(Top 2%)
25K15.53 mi2.42 mi144-56125-37125-37818(Top 3%)786(Top 5%)786(Top 16%)
30K18.64 mi3.11 mi192-48171-46171-46657(Top 3%)627(Top 4%)627(Top 13%)
20M20.00 mi1.36 mi214-22193-22193-22624(Top 2%)591(Top 4%)591(Top 12%)
21M21.00 mi1.00 mi218-4196-3196-3556(Top 2%)521(Top 4%)521(Top 11%)
35K21.75 mi0.75 mi222-4200-4200-4678(Top 3%)639(Top 4%)639(Top 13%)
23M23.00 mi1.25 mi230-8208-8208-8696(Top 3%)660(Top 5%)660(Top 14%)
24M24.00 mi1.00 mi232-2210-2210-2489(Top 2%)456(Top 3%)456(Top 9%)
40K24.85 mi0.85 mi231+1209+1209+1400(Top 2%)372(Top 3%)372(Top 8%)
25.2M25.20 mi0.35 mi234-3212-3212-3458(Top 2%)419(Top 3%)419(Top 9%)
Finish26.22 mi1.02 mi236-2213-1213-1649(Top 3%)607(Top 4%)607(Top 13%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 0.3%
×21stories
+97ft-345ft

Overall

64

Males

64

M18-39

64

5K→10K

3.1 - 6.2 mi

Top 0.4%
×5stories
+79ft-138ft

Overall

101

Males

84

M18-39

84

10K→15K

6.2 - 9.3 mi

Top 0.3%
×3stories
+67ft-78ft

Overall

64

Males

64

M18-39

64

15K→20K

9.3 - 12.4 mi

Top 0.6%
×5stories
+106ft-86ft

Overall

166

Males

163

M18-39

163

20K→Half

12.4 - 13.1 mi

Top 0.4%
×2stories
+19ft-37ft

Overall

98

Males

98

M18-39

98

Half→25K

13.1 - 15.5 mi

Top 3%
×4stories
+66ft-88ft

Overall

818

Males

786

M18-39

786

25K→30K

15.5 - 18.6 mi

Top 3%
×9stories
+181ft-148ft

Overall

657

Males

627

M18-39

627

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

624

Males

591

M18-39

591

20M→21M

20.0 - 21.0 mi

Top 2%
×8stories
+106ft-24ft

Overall

556

Males

521

M18-39

521

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

678

Males

639

M18-39

639

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

696

Males

660

M18-39

660

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

489

Males

456

M18-39

456

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

400

Males

372

M18-39

372

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

458

Males

419

M18-39

419

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

649

Males

607

M18-39

607

Passing Analysis

Category:
Athletes Passed
61
Passed By
203
Net Change
-142
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#94
5K → 10K83+5#94#89
10K → 15K213+18#89#71
15K → 20K215-13#71#84
20K → Half04-4#84#88
Half → 25K056-56#88#144
25K → 30K250-48#144#192
30K → 20M224-22#192#214
20M → 21M37-4#214#218
21M → 35K48-4#218#222
35K → 23M311-8#222#230
23M → 24M35-2#230#232
24M → 40K87+1#232#231
40K → 25.2M03-3#231#234
25.2M → Finish57-2#234#236
TOTALS61203-142
📊

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