Boston Marathon logo
BOSTON MARATHON 2024

John Mercer

Bib: 21666•M

NH

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M65-69)
#0 / 617
Top 12%
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
8:30/mi
26:26
↑ 97↓ 3451.5%
10K· 6.21 mi
8:36/mi
53:10
↑ 79↓ 1380.4%
15K· 9.32 mi
8:37/mi
1:19:56
↑ 67↓ 78
20K· 12.43 mi
8:55/mi
1:47:38
↑ 106↓ 860.1%
Half· 13.11 mi
8:32/mi
1:53:27
↑ 19↓ 370.5%
25K· 15.53 mi
8:38/mi
2:14:24
↑ 66↓ 880.2%
30K· 18.64 mi
8:50/mi
2:41:50
↑ 181↓ 1480.2%
20M
8:44/mi
2:53:42
↑ 64↓ 500.2%
21M
9:06/mi
3:02:48
↑ 106↓ 241.6%
35K· 21.75 mi
8:39/mi
3:09:16
↑ 17↓ 861.7%
23M
8:35/mi
3:20:01
↑ 23↓ 630.6%
24M
8:04/mi
3:28:05
↓ 821.3%
40K· 24.85 mi
8:12/mi
3:35:06
↓ 200.3%
25.2M
9:14/mi
3:38:17
↑ 13↓ 160.2%
Finish· 26.22 mi
7:34/mi
3:46:00
↑ 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 Half⚖️ Balanced
Distance13.11 mi
Time1:53:27
Pace8:39 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:52:33
Pace8:35 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:1626:268:3026:26
8:30
-
10K
6.21 mi11:49:0053:108:3326:44
8:36
+0:06
15K
9.32 mi12:15:461:19:568:3526:46
8:37
+0:01
20K
12.43 mi12:43:281:47:388:4027:42
8:55
+0:18
Half
13.11 mi12:49:171:53:278:395:49
8:32
-0:23
25K
15.53 mi13:10:142:14:248:3920:57
8:38
+0:06
30K
18.64 mi13:37:402:41:508:4127:26
8:50
+0:12
20M
20.00 mi13:49:322:53:428:4111:52
8:44
-0:06
21M
21.00 mi13:58:383:02:488:429:06
9:06
+0:22
35K
21.75 mi14:05:063:09:168:426:28
8:39
-0:27
23M
23.00 mi14:15:513:20:018:4210:45
8:35
-0:04
24M
24.00 mi14:23:553:28:058:408:04
8:04
-0:31
40K
24.85 mi14:30:563:35:068:397:01
8:12
+0:08
25.2M
25.20 mi14:34:073:38:178:403:11
9:14
+1:02
Finish
26.22 mi14:41:503:46:008:387:43
7:34
-1:40

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

7:34 /mi

Average Pace

8:38 /mi

Slowest Pace

9:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

22:48

10% of race

Time at Steady Pace

2:15:47

60% of race

Time at Slower Pace

1:07:25

30% of race

Average Pace: 8:37 /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 mi11:22:1626:268:3026:26
8:30
#17810
10K
6.21 mi11:49:0053:108:3326:44
8:36
#17836
15K
9.32 mi12:15:461:19:568:3526:46
8:37
#17536
20K
12.43 mi12:43:281:47:388:4027:42
8:55
#17278
Half
13.11 mi12:49:171:53:278:395:49
8:32
#17197
25K
15.53 mi13:10:142:14:248:3920:57
8:38
#16573
30K
18.64 mi13:37:402:41:508:4127:26
8:50
#15784
20M
20.00 mi13:49:322:53:428:4111:52
8:44
#15415
21M
21.00 mi13:58:383:02:488:429:06
9:06
#15047
35K
21.75 mi14:05:063:09:168:426:28
8:39
#14900
23M
23.00 mi14:15:513:20:018:4210:45
8:35
#14524
24M
24.00 mi14:23:553:28:058:408:04
8:04
#14160
40K
24.85 mi14:30:563:35:068:397:01
8:12
#13836
25.2M
25.20 mi14:34:073:38:178:403:11
9:14
#13708
Finish
26.22 mi14:41:503:46:008:387:43
7:34
#13371
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi17810111271112717039(Top 67%)10837(Top 74%)10837(Top 1756%)
10K6.21 mi3.10 mi17836-2611157-3011157-3017860(Top 70%)11177(Top 77%)11177(Top 1812%)
15K9.32 mi3.11 mi17536+30011044+11311044+11317039(Top 67%)10837(Top 74%)10837(Top 1756%)
20K12.43 mi3.11 mi17278+25810902+14210902+14216957(Top 66%)10781(Top 74%)10781(Top 1747%)
Half13.11 mi0.68 mi17197+8110862+4010862+4015817(Top 62%)10236(Top 70%)10236(Top 1659%)
25K15.53 mi2.42 mi16573+62410589+27310589+27313792(Top 54%)9268(Top 64%)9268(Top 1502%)
30K18.64 mi3.11 mi15784+78910208+38110208+38112352(Top 48%)8410(Top 58%)8410(Top 1363%)
20M20.00 mi1.36 mi15415+36910009+19910009+19910723(Top 42%)7376(Top 51%)7376(Top 1195%)
21M21.00 mi1.00 mi15047+3689811+1989811+1989029(Top 35%)6302(Top 43%)6302(Top 1021%)
35K21.75 mi0.75 mi14900+1479721+909721+9011519(Top 45%)7460(Top 51%)7460(Top 1209%)
23M23.00 mi1.25 mi14524+3769490+2319490+2318943(Top 35%)6083(Top 42%)6083(Top 986%)
24M24.00 mi1.00 mi14160+3649309+1819309+1816996(Top 27%)4992(Top 34%)4992(Top 809%)
40K24.85 mi0.85 mi13836+3249126+1839126+1836817(Top 27%)4780(Top 33%)4780(Top 775%)
25.2M25.20 mi0.35 mi13708+1289046+809046+807614(Top 30%)5138(Top 35%)5138(Top 833%)
Finish26.22 mi1.02 mi13371+3378866+1808866+1806017(Top 24%)4347(Top 30%)4347(Top 705%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21story building
+97ft-345ft

Overall

17039

Males

10837

M65-69

10837

5K→10K

3.1 - 6.2 mi

Top 70%
×5story building
+79ft-138ft

Overall

17860

Males

11177

M65-69

11177

10K→15K

6.2 - 9.3 mi

Top 67%
×3story building
+67ft-78ft

Overall

17039

Males

10837

M65-69

10837

15K→20K

9.3 - 12.4 mi

Top 66%
×5story building
+106ft-86ft

Overall

16957

Males

10781

M65-69

10781

20K→Half

12.4 - 13.1 mi

Top 62%
×2story building
+19ft-37ft

Overall

15817

Males

10236

M65-69

10236

Half→25K

13.1 - 15.5 mi

Top 54%
×4story building
+66ft-88ft

Overall

13792

Males

9268

M65-69

9268

25K→30K

15.5 - 18.6 mi

Top 48%
×9story building
+181ft-148ft

Overall

12352

Males

8410

M65-69

8410

30K→20M

18.6 - 20.0 mi

Top 42%
×5story building
+64ft-50ft

Overall

10723

Males

7376

M65-69

7376

20M→21M

20.0 - 21.0 mi

Top 35%
×8story building
+106ft-24ft

Overall

9029

Males

6302

M65-69

6302

21M→35K

21.0 - 21.8 mi

Top 45%
×7story building
+17ft-86ft

Overall

11519

Males

7460

M65-69

7460

35K→23M

21.8 - 23.0 mi

Top 35%
×5story building
+23ft-63ft

Overall

8943

Males

6083

M65-69

6083

23M→24M

23.0 - 24.0 mi

Top 27%
×6story building
+12ft-82ft

Overall

6996

Males

4992

M65-69

4992

24M→40K

24.0 - 24.9 mi

Top 27%
×1story
+6ft-20ft

Overall

6817

Males

4780

M65-69

4780

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1story
+13ft-16ft

Overall

7614

Males

5138

M65-69

5138

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2story building
+22ft-21ft

Overall

6017

Males

4347

M65-69

4347

Passing Analysis

Category:
Athletes Passed
4985
Passed By
546
Net Change
+4439
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17810
5K → 10K262288-26#17810#17836
10K → 15K39393+300#17836#17536
15K → 20K381123+258#17536#17278
20K → Half898+81#17278#17197
Half → 25K6295+624#17197#16573
25K → 30K7978+789#16573#15784
30K → 20M3734+369#15784#15415
20M → 21M3713+368#15415#15047
21M → 35K1547+147#15047#14900
35K → 23M3826+376#14900#14524
23M → 24M3640+364#14524#14160
24M → 40K3240+324#14160#13836
40K → 25.2M1291+128#13836#13708
25.2M → Finish3370+337#13708#13371
TOTALS4985546+4439
📊

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