Boston Marathon logo
BOSTON MARATHON 2024

Dan Nephin

PA

Bib: 14470 M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M55-59)
#0 / 1529
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:31/mi
23:21
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:27/mi
46:30
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:29/mi
1:09:45
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:10/mi
1:35:08
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:42/mi
1:40:23
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:31/mi
2:01:01
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
9:57/mi
2:31:56
↑ 181↓ 1480.2%
138 ft elev
20M
9:44/mi
2:45:10
↑ 64↓ 500.2%
148 ft elev
21M
17:11/mi
3:02:21
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
10:46/mi
3:10:24
↑ 17↓ 861.7%
156 ft elev
23M
9:49/mi
3:22:42
↑ 23↓ 630.6%
116 ft elev
24M
9:10/mi
3:31:52
↓ 821.3%
34 ft elev
40K· 24.85 mi
10:47/mi
3:41:05
↓ 200.3%
20 ft elev
25.2M
13:29/mi
3:45:44
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
8:15/mi
3:54:08
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Is this your race?

Claim it for a free AI report

A coach's-eye read of your race — emailed to you, free.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:23
Pace7:39 /mi
2nd Half
Distance13.11 mi
Time2:13:45
Pace10:12 /mi
📊Positive Split: 33.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:2123:217:3123:21
7:31
-
10K
6.21 mi11:18:3046:307:2923:09
7:27
-0:04
15K
9.32 mi11:41:451:09:457:2923:15
7:29
+0:02
20K
12.43 mi12:07:081:35:087:3925:23
8:10
+0:41
Half
13.11 mi12:12:231:40:237:395:15
7:42
-0:28
25K
15.53 mi12:33:012:01:017:4720:38
8:31
+0:49
30K
18.64 mi13:03:562:31:568:0930:55
9:57
+1:26
20M
20.00 mi13:17:102:45:108:1513:14
9:44
-0:13
21M
21.00 mi13:34:213:02:218:4117:11
17:11
+7:27
35K
21.75 mi13:42:243:10:248:458:03
10:46
-6:25
23M
23.00 mi13:54:423:22:428:4912:18
9:49
-0:57
24M
24.00 mi14:03:523:31:528:509:10
9:10
-0:39
40K
24.85 mi14:13:053:41:058:549:13
10:47
+1:37
25.2M
25.20 mi14:17:443:45:448:574:39
13:29
+2:42
Finish
26.22 mi14:26:083:54:088:568:24
8:15
-5:14

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

7:27 /mi

Average Pace

8:56 /mi

Slowest Pace

17:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:15:00

32% of race

Time at Steady Pace

2:00:02

51% of race

Time at Slower Pace

39:06

17% of race

Average Pace: 8:56 /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 mi10:55:2123:217:3123:21
7:31
#10894
10K
6.21 mi11:18:3046:307:2923:09
7:27
#10338
15K
9.32 mi11:41:451:09:457:2923:15
7:29
#10029
20K
12.43 mi12:07:081:35:087:3925:23
8:10
#10840
Half
13.11 mi12:12:231:40:237:395:15
7:42
#10799
25K
15.53 mi12:33:012:01:017:4720:38
8:31
#11209
30K
18.64 mi13:03:562:31:568:0930:55
9:57
#12665
20M
20.00 mi13:17:102:45:108:1513:14
9:44
#12867
21M
21.00 mi13:34:213:02:218:4117:11
17:11
#14931
35K
21.75 mi13:42:243:10:248:458:03
10:46
#15182
23M
23.00 mi13:54:423:22:428:4912:18
9:49
#15179
24M
24.00 mi14:03:523:31:528:509:10
9:10
#15058
40K
24.85 mi14:13:053:41:058:549:13
10:47
#15199
25.2M
25.20 mi14:17:443:45:448:574:39
13:29
#15355
Finish
26.22 mi14:26:083:54:088:568:24
8:15
#15137
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi10894837083709542(Top 37%)7580(Top 52%)7580(Top 496%)
10K6.21 mi3.10 mi10338+5568084+2868084+2869860(Top 39%)7809(Top 54%)7809(Top 511%)
15K9.32 mi3.11 mi10029+3097901+1837901+1839542(Top 37%)7580(Top 52%)7580(Top 496%)
20K12.43 mi3.11 mi10840-8118235-3348235-33412945(Top 51%)9101(Top 62%)9101(Top 595%)
Half13.11 mi0.68 mi10799+418211+248211+2410559(Top 41%)7979(Top 55%)7979(Top 522%)
25K15.53 mi2.42 mi11209-4108350-1398350-13913106(Top 51%)8982(Top 62%)8982(Top 587%)
30K18.64 mi3.11 mi12665-14568924-5748924-57417198(Top 67%)10538(Top 72%)10538(Top 689%)
20M20.00 mi1.36 mi12867-2028943-198943-1915502(Top 61%)9514(Top 65%)9514(Top 622%)
21M21.00 mi1.00 mi14931-20649765-8229765-82225093(Top 98%)14283(Top 98%)14283(Top 934%)
35K21.75 mi0.75 mi15182-2519842-779842-7719225(Top 75%)11232(Top 77%)11232(Top 735%)
23M23.00 mi1.25 mi15179+39796+469796+4614823(Top 58%)8956(Top 61%)8956(Top 586%)
24M24.00 mi1.00 mi15058+1219704+929704+9212940(Top 51%)8018(Top 55%)8018(Top 524%)
40K24.85 mi0.85 mi15199-1419725-219725-2117490(Top 68%)10188(Top 70%)10188(Top 666%)
25.2M25.20 mi0.35 mi15355-1569785-609785-6020650(Top 81%)11762(Top 81%)11762(Top 769%)
Finish26.22 mi1.02 mi15137+2189660+1259660+1259989(Top 39%)6456(Top 44%)6456(Top 422%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21story building
+97ft-345ft

Overall

9542

Males

7580

M55-59

7580

5K→10K

3.1 - 6.2 mi

Top 39%
×5story building
+79ft-138ft

Overall

9860

Males

7809

M55-59

7809

10K→15K

6.2 - 9.3 mi

Top 37%
×3story building
+67ft-78ft

Overall

9542

Males

7580

M55-59

7580

15K→20K

9.3 - 12.4 mi

Top 51%
×5story building
+106ft-86ft

Overall

12945

Males

9101

M55-59

9101

20K→Half

12.4 - 13.1 mi

Top 41%
×2story building
+19ft-37ft

Overall

10559

Males

7979

M55-59

7979

Half→25K

13.1 - 15.5 mi

Top 51%
×4story building
+66ft-88ft

Overall

13106

Males

8982

M55-59

8982

25K→30K

15.5 - 18.6 mi

Top 67%
×9story building
+181ft-148ft

Overall

17198

Males

10538

M55-59

10538

30K→20M

18.6 - 20.0 mi

Top 61%
×5story building
+64ft-50ft

Overall

15502

Males

9514

M55-59

9514

20M→21M

20.0 - 21.0 mi

Top 98%
×8story building
+106ft-24ft

Overall

25093

Males

14283

M55-59

14283

21M→35K

21.0 - 21.8 mi

Top 75%
×7story building
+17ft-86ft

Overall

19225

Males

11232

M55-59

11232

35K→23M

21.8 - 23.0 mi

Top 58%
×5story building
+23ft-63ft

Overall

14823

Males

8956

M55-59

8956

23M→24M

23.0 - 24.0 mi

Top 51%
×6story building
+12ft-82ft

Overall

12940

Males

8018

M55-59

8018

24M→40K

24.0 - 24.9 mi

Top 68%
×1story
+6ft-20ft

Overall

17490

Males

10188

M55-59

10188

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

20650

Males

11762

M55-59

11762

25.2M→Finish

25.2 - 26.2 mi

Top 39%
×2story building
+22ft-21ft

Overall

9989

Males

6456

M55-59

6456

Passing Analysis

Category:
Athletes Passed
1986*
Passed By
6228
Net Change
-4243
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10894
5K → 10K63882+556#10894#10338
10K → 15K379*70+309#10338#10029
15K → 20K64874-811#10029#10840
20K → Half6221+41#10840#10799
Half → 25K116526-410#10799#11209
25K → 30K421498-1456#11209#12665
30K → 20M84286-202#12665#12867
20M → 21M52069-2064#12867#14931
21M → 35K30281-251#14931#15182
35K → 23M121118+3#15182#15179
23M → 24M15332+121#15179#15058
24M → 40K61202-141#15058#15199
40K → 25.2M12168-156#15199#15355
25.2M → Finish2191+218#15355#15137
TOTALS1986*6228-4243

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

📊

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