Boston Marathon logo
BOSTON MARATHON 2024

Donald Mcgrail

Bib: 25775•M

MA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M50-54)
#0 / 1935
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
8:58/mi
27:52
↑ 97↓ 3451.5%
10K· 6.21 mi
8:58/mi
55:45
↑ 79↓ 1380.4%
15K· 9.32 mi
9:04/mi
1:23:56
↑ 67↓ 78
20K· 12.43 mi
9:04/mi
1:52:07
↑ 106↓ 860.1%
Half· 13.11 mi
8:49/mi
1:58:08
↑ 19↓ 370.5%
25K· 15.53 mi
9:10/mi
2:20:21
↑ 66↓ 880.2%
30K· 18.64 mi
9:32/mi
2:49:57
↑ 181↓ 1480.2%
20M
9:41/mi
3:03:06
↑ 64↓ 500.2%
21M
9:56/mi
3:13:02
↑ 106↓ 241.6%
35K· 21.75 mi
9:13/mi
3:19:56
↑ 17↓ 861.7%
23M
9:13/mi
3:31:28
↑ 23↓ 630.6%
24M
8:56/mi
3:40:24
↓ 821.3%
40K· 24.85 mi
8:45/mi
3:47:53
↓ 200.3%
25.2M
9:31/mi
3:51:10
↑ 13↓ 160.2%
Finish· 26.22 mi
8:09/mi
3:59:28
↑ 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
Time1:58:08
Pace9:01 /mi
2nd Half
Distance13.11 mi
Time2:01:20
Pace9:15 /mi
📊Positive Split: 2.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:2727:528:5827:52
8:58
-
10K
6.21 mi12:11:2055:458:5827:53
8:58
0:00
15K
9.32 mi12:39:311:23:569:0028:11
9:04
+0:06
20K
12.43 mi13:07:421:52:079:0128:11
9:04
0:00
Half
13.11 mi13:13:431:58:089:016:01
8:49
-0:15
25K
15.53 mi13:35:562:20:219:0222:13
9:10
+0:21
30K
18.64 mi14:05:322:49:579:0729:36
9:32
+0:22
20M
20.00 mi14:18:413:03:069:0913:09
9:41
+0:09
21M
21.00 mi14:28:373:13:029:129:56
9:56
+0:15
35K
21.75 mi14:35:313:19:569:126:54
9:13
-0:43
23M
23.00 mi14:47:033:31:289:1211:32
9:13
0:00
24M
24.00 mi14:55:593:40:249:118:56
8:56
-0:17
40K
24.85 mi15:03:283:47:539:107:29
8:45
-0:11
25.2M
25.20 mi15:06:453:51:109:103:17
9:31
+0:46
Finish
26.22 mi15:15:033:59:289:088:18
8:09
-1:22

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

8:09 /mi

Average Pace

9:08 /mi

Slowest Pace

9:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

21:48

9% of race

Time at Steady Pace

2:41:42

68% of race

Time at Slower Pace

55:58

23% of race

Average Pace: 9:08 /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 mi11:43:2727:528:5827:52
8:58
#19937
10K
6.21 mi12:11:2055:458:5827:53
8:58
#19777
15K
9.32 mi12:39:311:23:569:0028:11
9:04
#19591
20K
12.43 mi13:07:421:52:079:0128:11
9:04
#19046
Half
13.11 mi13:13:431:58:089:016:01
8:49
#18958
25K
15.53 mi13:35:562:20:219:0222:13
9:10
#18462
30K
18.64 mi14:05:322:49:579:0729:36
9:32
#17890
20M
20.00 mi14:18:413:03:069:0913:09
9:41
#17687
21M
21.00 mi14:28:373:13:029:129:56
9:56
#17406
35K
21.75 mi14:35:313:19:569:126:54
9:13
#17284
23M
23.00 mi14:47:033:31:289:1211:32
9:13
#16985
24M
24.00 mi14:55:593:40:249:118:56
8:56
#16764
40K
24.85 mi15:03:283:47:539:107:29
8:45
#16488
25.2M
25.20 mi15:06:453:51:109:103:17
9:31
#16349
Finish
26.22 mi15:15:033:59:289:088:18
8:09
#16142
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi19937120431204319199(Top 75%)11799(Top 81%)11799(Top 610%)
10K6.21 mi3.10 mi19777+16011988+5511988+5519639(Top 77%)11955(Top 82%)11955(Top 618%)
15K9.32 mi3.11 mi19591+18611927+6111927+6119199(Top 75%)11799(Top 81%)11799(Top 610%)
20K12.43 mi3.11 mi19046+54511688+23911688+23917639(Top 69%)11094(Top 76%)11094(Top 573%)
Half13.11 mi0.68 mi18958+8811644+4411644+4417391(Top 68%)10895(Top 75%)10895(Top 563%)
25K15.53 mi2.42 mi18462+49611403+24111403+24116262(Top 64%)10363(Top 71%)10363(Top 536%)
30K18.64 mi3.11 mi17890+57211076+32711076+32715557(Top 61%)9808(Top 67%)9808(Top 507%)
20M20.00 mi1.36 mi17687+20310960+11610960+11615250(Top 60%)9408(Top 65%)9408(Top 486%)
21M21.00 mi1.00 mi17406+28110813+14710813+14712698(Top 50%)8044(Top 55%)8044(Top 416%)
35K21.75 mi0.75 mi17284+12210742+7110742+7114350(Top 56%)8811(Top 60%)8811(Top 455%)
23M23.00 mi1.25 mi16985+29910582+16010582+16012193(Top 48%)7668(Top 53%)7668(Top 396%)
24M24.00 mi1.00 mi16764+22110461+12110461+12111807(Top 46%)7480(Top 51%)7480(Top 387%)
40K24.85 mi0.85 mi16488+27610315+14610315+1469639(Top 38%)6236(Top 43%)6236(Top 322%)
25.2M25.20 mi0.35 mi16349+13910236+7910236+798831(Top 35%)5758(Top 39%)5758(Top 298%)
Finish26.22 mi1.02 mi16142+20710119+11710119+1179459(Top 37%)6188(Top 42%)6188(Top 320%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21story building
+97ft-345ft

Overall

19199

Males

11799

M50-54

11799

5K→10K

3.1 - 6.2 mi

Top 77%
×5story building
+79ft-138ft

Overall

19639

Males

11955

M50-54

11955

10K→15K

6.2 - 9.3 mi

Top 75%
×3story building
+67ft-78ft

Overall

19199

Males

11799

M50-54

11799

15K→20K

9.3 - 12.4 mi

Top 69%
×5story building
+106ft-86ft

Overall

17639

Males

11094

M50-54

11094

20K→Half

12.4 - 13.1 mi

Top 68%
×2story building
+19ft-37ft

Overall

17391

Males

10895

M50-54

10895

Half→25K

13.1 - 15.5 mi

Top 64%
×4story building
+66ft-88ft

Overall

16262

Males

10363

M50-54

10363

25K→30K

15.5 - 18.6 mi

Top 61%
×9story building
+181ft-148ft

Overall

15557

Males

9808

M50-54

9808

30K→20M

18.6 - 20.0 mi

Top 60%
×5story building
+64ft-50ft

Overall

15250

Males

9408

M50-54

9408

20M→21M

20.0 - 21.0 mi

Top 50%
×8story building
+106ft-24ft

Overall

12698

Males

8044

M50-54

8044

21M→35K

21.0 - 21.8 mi

Top 56%
×7story building
+17ft-86ft

Overall

14350

Males

8811

M50-54

8811

35K→23M

21.8 - 23.0 mi

Top 48%
×5story building
+23ft-63ft

Overall

12193

Males

7668

M50-54

7668

23M→24M

23.0 - 24.0 mi

Top 46%
×6story building
+12ft-82ft

Overall

11807

Males

7480

M50-54

7480

24M→40K

24.0 - 24.9 mi

Top 38%
×1story
+6ft-20ft

Overall

9639

Males

6236

M50-54

6236

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

8831

Males

5758

M50-54

5758

25.2M→Finish

25.2 - 26.2 mi

Top 37%
×2story building
+22ft-21ft

Overall

9459

Males

6188

M50-54

6188

Passing Analysis

Category:
Athletes Passed
4253
Passed By
458
Net Change
+3795
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19937
5K → 10K342182+160#19937#19777
10K → 15K321135+186#19777#19591
15K → 20K57631+545#19591#19046
20K → Half946+88#19046#18958
Half → 25K50711+496#18958#18462
25K → 30K60634+572#18462#17890
30K → 20M22825+203#17890#17687
20M → 21M2876+281#17687#17406
21M → 35K13715+122#17406#17284
35K → 23M3034+299#17284#16985
23M → 24M2243+221#16985#16764
24M → 40K2771+276#16764#16488
40K → 25.2M1412+139#16488#16349
25.2M → Finish2103+207#16349#16142
TOTALS4253458+3795
📊

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