Boston Marathon logo
BOSTON MARATHON 2024

David Greenwood

Bib: 11012•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 (M45-49)
#0 / 2218
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:49
Rank: #2568
Start → 5K
6:23/mi
19:49 split
10K· 6.21 mi
39:12
Rank: #2032 (+536)
5K → 10K
6:14/mi
19:23 split
15K· 9.32 mi
58:44
Rank: #1880 (+152)
10K → 15K
6:17/mi
19:32 split
20K· 12.43 mi
1:19:14
Rank: #2058 (-178)
15K → 20K
6:36/mi
20:30 split
Half· 13.11 mi
1:23:40
Rank: #2081 (-23)
20K → Half
6:30/mi
4:26 split
25K· 15.53 mi
1:40:43
Rank: #2375 (-294)
Half → 25K
7:02/mi
17:03 split
30K· 18.64 mi
2:08:35
Rank: #4411 (-2036)
25K → 30K
8:58/mi
27:52 split
20M
2:22:40
Rank: #5431 (-1020)
30K → 20M
10:22/mi
14:05 split
21M
2:35:51
Rank: #6703 (-1272)
20M → 21M
13:11/mi
13:11 split
35K· 21.75 mi
2:43:42
Rank: #7259 (-556)
21M → 35K
10:30/mi
7:51 split
23M
3:03:03
Rank: #9833 (-2574)
35K → 23M
15:27/mi
19:21 split
24M
3:20:55
Rank: #12320 (-2487)
23M → 24M
17:52/mi
17:52 split
40K· 24.85 mi
3:42:14
Rank: #15429 (-3109)
24M → 40K
24:56/mi
21:19 split
25.2M
3:45:54
Rank: #15392 (+37)
40K → 25.2M
10:38/mi
3:40 split
Finish· 26.22 mi
3:56:04
Rank: #15510 (-118)
25.2M → Finish
9:59/mi
10:10 split

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
Time1:23:40
Pace6:23 /mi
2nd Half
Distance13.11 mi
Time2:32:24
Pace11:38 /mi
📊Positive Split: 82.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:1619:496:2319:49
6:23
-
10K
6.21 mi11:06:3939:126:1919:23
6:14
-0:09
15K
9.32 mi11:26:1158:446:1819:32
6:17
+0:03
20K
12.43 mi11:46:411:19:146:2320:30
6:36
+0:19
Half
13.11 mi11:51:071:23:406:234:26
6:30
-0:06
25K
15.53 mi12:08:101:40:436:2917:03
7:02
+0:32
30K
18.64 mi12:36:022:08:356:5427:52
8:58
+1:56
20M
20.00 mi12:50:072:22:407:0814:05
10:22
+1:24
21M
21.00 mi13:03:182:35:517:2513:11
13:11
+2:49
35K
21.75 mi13:11:092:43:427:327:51
10:30
-2:41
23M
23.00 mi13:30:303:03:037:5819:21
15:27
+4:57
24M
24.00 mi13:48:223:20:558:2217:52
17:52
+2:25
40K
24.85 mi14:09:413:42:148:5621:19
24:56
+7:04
25.2M
25.20 mi14:13:213:45:548:583:40
10:38
-14:18
Finish
26.22 mi14:23:313:56:049:0110:10
9:59
-0:39

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

6:14 /mi

Average Pace

9:01 /mi

Slowest Pace

24:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:40:43

43% of race

Time at Steady Pace

1:03:38

27% of race

Time at Slower Pace

1:11:43

30% of race

Average Pace: 9:00 /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 mi10:47:1619:496:2319:49
6:23
#2568
10K
6.21 mi11:06:3939:126:1919:23
6:14
#2032
15K
9.32 mi11:26:1158:446:1819:32
6:17
#1880
20K
12.43 mi11:46:411:19:146:2320:30
6:36
#2058
Half
13.11 mi11:51:071:23:406:234:26
6:30
#2081
25K
15.53 mi12:08:101:40:436:2917:03
7:02
#2375
30K
18.64 mi12:36:022:08:356:5427:52
8:58
#4411
20M
20.00 mi12:50:072:22:407:0814:05
10:22
#5431
21M
21.00 mi13:03:182:35:517:2513:11
13:11
#6703
35K
21.75 mi13:11:092:43:427:327:51
10:30
#7259
23M
23.00 mi13:30:303:03:037:5819:21
15:27
#9833
24M
24.00 mi13:48:223:20:558:2217:52
17:52
#12320
40K
24.85 mi14:09:413:42:148:5621:19
24:56
#15429
25.2M
25.20 mi14:13:213:45:548:583:40
10:38
#15392
Finish
26.22 mi14:23:313:56:049:0110:10
9:59
#15510
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi2568247224721697(Top 7%)1645(Top 11%)1645(Top 74%)
10K6.21 mi3.10 mi2032+5361965+5071965+5071658(Top 6%)1606(Top 11%)1606(Top 72%)
15K9.32 mi3.11 mi1880+1521819+1461819+1461697(Top 7%)1645(Top 11%)1645(Top 74%)
20K12.43 mi3.11 mi2058-1781990-1711990-1712639(Top 10%)2523(Top 17%)2523(Top 114%)
Half13.11 mi0.68 mi2081-232012-222012-222655(Top 10%)2540(Top 17%)2540(Top 115%)
25K15.53 mi2.42 mi2375-2942279-2672279-2674509(Top 18%)4117(Top 28%)4117(Top 186%)
30K18.64 mi3.11 mi4411-20364080-18014080-180113082(Top 51%)8733(Top 60%)8733(Top 394%)
20M20.00 mi1.36 mi5431-10204857-7774857-77717588(Top 69%)10540(Top 72%)10540(Top 475%)
21M21.00 mi1.00 mi6703-12725712-8555712-85521044(Top 82%)12184(Top 84%)12184(Top 549%)
35K21.75 mi0.75 mi7259-5566042-3306042-33018536(Top 73%)10885(Top 75%)10885(Top 491%)
23M23.00 mi1.25 mi9833-25747363-13217363-132124889(Top 97%)14150(Top 97%)14150(Top 638%)
24M24.00 mi1.00 mi12320-24878491-11288491-112825397(Top 99%)14468(Top 99%)14468(Top 652%)
40K24.85 mi0.85 mi15429-31099831-13409831-134025530(Top 100%)14563(Top 100%)14563(Top 657%)
25.2M25.20 mi0.35 mi15392+379800+319800+3113252(Top 52%)8023(Top 55%)8023(Top 362%)
Finish26.22 mi1.02 mi15510-1189823-239823-2318286(Top 72%)10607(Top 73%)10607(Top 478%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×21story building
+97ft-345ft

Overall

1697

Males

1645

M45-49

1645

5K→10K

3.1 - 6.2 mi

Top 6%
×5story building
+79ft-138ft

Overall

1658

Males

1606

M45-49

1606

10K→15K

6.2 - 9.3 mi

Top 7%
×3story building
+67ft-78ft

Overall

1697

Males

1645

M45-49

1645

15K→20K

9.3 - 12.4 mi

Top 10%
×5story building
+106ft-86ft

Overall

2639

Males

2523

M45-49

2523

20K→Half

12.4 - 13.1 mi

Top 10%
×2story building
+19ft-37ft

Overall

2655

Males

2540

M45-49

2540

Half→25K

13.1 - 15.5 mi

Top 18%
×4story building
+66ft-88ft

Overall

4509

Males

4117

M45-49

4117

25K→30K

15.5 - 18.6 mi

Top 51%
×9story building
+181ft-148ft

Overall

13082

Males

8733

M45-49

8733

30K→20M

18.6 - 20.0 mi

Top 69%
×5story building
+64ft-50ft

Overall

17588

Males

10540

M45-49

10540

20M→21M

20.0 - 21.0 mi

Top 82%
×8story building
+106ft-24ft

Overall

21044

Males

12184

M45-49

12184

21M→35K

21.0 - 21.8 mi

Top 73%
×7story building
+17ft-86ft

Overall

18536

Males

10885

M45-49

10885

35K→23M

21.8 - 23.0 mi

Top 97%
×5story building
+23ft-63ft

Overall

24889

Males

14150

M45-49

14150

23M→24M

23.0 - 24.0 mi

Top 99%
×6story building
+12ft-82ft

Overall

25397

Males

14468

M45-49

14468

24M→40K

24.0 - 24.9 mi

Top 100%
×1story
+6ft-20ft

Overall

25530

Males

14563

M45-49

14563

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1story
+13ft-16ft

Overall

13252

Males

8023

M45-49

8023

25.2M→Finish

25.2 - 26.2 mi

Top 72%
×2story building
+22ft-21ft

Overall

18286

Males

10607

M45-49

10607

Passing Analysis

Category:
Athletes Passed
928
Passed By
13868
Net Change
-12942
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2568
5K → 10K5393+536#2568#2032
10K → 15K16816+152#2032#1880
15K → 20K42220-178#1880#2058
20K → Half427-23#2058#2081
Half → 25K27321-294#2081#2375
25K → 30K102046-2036#2375#4411
30K → 20M91029-1020#4411#5431
20M → 21M71279-1272#5431#6703
21M → 35K16572-556#6703#7259
35K → 23M52578-2574#7259#9833
23M → 24M32489-2487#9833#12320
24M → 40K33112-3109#12320#15429
40K → 25.2M5619+37#15429#15392
25.2M → Finish39157-118#15392#15510
TOTALS92813868-12942
📊

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
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing