Boston Marathon logo
BOSTON MARATHON 2024

Dawid Louw

Bib: 7650•M

NY

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Top 24%
Gender (Male)
#0 / 14578
Top 35%
Masters (Masters Men)
#0 / 9729
Top 24%
Division (M40-44)
#0 / 2009
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:11
Rank: #5790
Start → 5K
21:11 | 6:49/mi
10K· 6.21 mi
42:50
Rank: #6120 (-330)
5K → 10K
21:39 | 6:58/mi
15K· 9.32 mi
1:04:21
Rank: #5969 (+151)
10K → 15K
21:31 | 6:56/mi
20K· 12.43 mi
1:26:27
Rank: #5900 (+69)
15K → 20K
22:06 | 7:07/mi
Half· 13.11 mi
1:31:21
Rank: #5931 (-31)
20K → Half
4:54 | 7:11/mi
25K· 15.53 mi
1:49:30
Rank: #6018 (-87)
Half → 25K
18:09 | 7:29/mi
30K· 18.64 mi
2:13:14
Rank: #5843 (+175)
25K → 30K
23:44 | 7:38/mi
20M
2:24:16
Rank: #5902 (-59)
30K → 20M
11:02 | 8:07/mi
21M
2:33:17
Rank: #5969 (-67)
20M → 21M
9:01 | 9:01/mi
35K· 21.75 mi
2:39:00
Rank: #5900 (+69)
21M → 35K
5:43 | 7:38/mi
23M
2:49:41
Rank: #5952 (-52)
35K → 23M
10:41 | 8:32/mi
24M
2:57:41
Rank: #5915 (+37)
23M → 24M
8:00 | 8:00/mi
40K· 24.85 mi
3:05:07
Rank: #5966 (-51)
24M → 40K
7:26 | 8:42/mi
25.2M
3:08:41
Rank: #6054 (-88)
40K → 25.2M
3:34 | 10:21/mi
Finish· 26.22 mi
3:17:06
Rank: #6167 (-113)
25.2M → Finish
8:25 | 8:16/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
Time1:31:21
Pace6:58 /mi
2nd Half
Distance13.11 mi
Time1:45:45
Pace8:04 /mi
📊Positive Split: 15.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:27:5721:116:4921:11
6:49
-
10K
6.21 mi10:49:3642:506:5421:39
6:58
+0:09
15K
9.32 mi11:11:071:04:216:5421:31
6:56
-0:02
20K
12.43 mi11:33:131:26:276:5722:06
7:07
+0:11
Half
13.11 mi11:38:071:31:216:584:54
7:11
+0:04
25K
15.53 mi11:56:161:49:307:0318:09
7:29
+0:18
30K
18.64 mi12:20:002:13:147:0923:44
7:38
+0:09
20M
20.00 mi12:31:022:24:167:1311:02
8:07
+0:29
21M
21.00 mi12:40:032:33:177:189:01
9:01
+0:54
35K
21.75 mi12:45:462:39:007:195:43
7:38
-1:23
23M
23.00 mi12:56:272:49:417:2310:41
8:32
+0:54
24M
24.00 mi13:04:272:57:417:248:00
8:00
-0:32
40K
24.85 mi13:11:533:05:077:277:26
8:42
+0:42
25.2M
25.20 mi13:15:273:08:417:293:34
10:21
+1:39
Finish
26.22 mi13:23:523:17:067:318:25
8:16
-2:05

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

6:49 /mi

Average Pace

7:31 /mi

Slowest Pace

10:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:26:27

44% of race

Time at Steady Pace

1:00:30

31% of race

Time at Slower Pace

50:09

25% of race

Average Pace: 7:31 /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 mi10:27:5721:116:4921:11
6:49
#5790
10K
6.21 mi10:49:3642:506:5421:39
6:58
#6120
15K
9.32 mi11:11:071:04:216:5421:31
6:56
#5969
20K
12.43 mi11:33:131:26:276:5722:06
7:07
#5900
Half
13.11 mi11:38:071:31:216:584:54
7:11
#5931
25K
15.53 mi11:56:161:49:307:0318:09
7:29
#6018
30K
18.64 mi12:20:002:13:147:0923:44
7:38
#5843
20M
20.00 mi12:31:022:24:167:1311:02
8:07
#5902
21M
21.00 mi12:40:032:33:177:189:01
9:01
#5969
35K
21.75 mi12:45:462:39:007:195:43
7:38
#5900
23M
23.00 mi12:56:272:49:417:2310:41
8:32
#5952
24M
24.00 mi13:04:272:57:417:248:00
8:00
#5915
40K
24.85 mi13:11:533:05:077:277:26
8:42
#5966
25.2M
25.20 mi13:15:273:08:417:293:34
10:21
#6054
Finish
26.22 mi13:23:523:17:067:318:25
8:16
#6167
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi5790527652765756(Top 23%)5204(Top 36%)5204(Top 259%)
10K6.21 mi3.10 mi6120-3305524-2485524-2486453(Top 25%)5732(Top 39%)5732(Top 285%)
15K9.32 mi3.11 mi5969+1515398+1265398+1265756(Top 23%)5204(Top 36%)5204(Top 259%)
20K12.43 mi3.11 mi5900+695319+795319+795879(Top 23%)5235(Top 36%)5235(Top 261%)
Half13.11 mi0.68 mi5931-315339-205339-206816(Top 27%)5861(Top 40%)5861(Top 292%)
25K15.53 mi2.42 mi6018-875374-355374-356873(Top 27%)5735(Top 39%)5735(Top 285%)
30K18.64 mi3.11 mi5843+1755176+1985176+1985805(Top 23%)4881(Top 33%)4881(Top 243%)
20M20.00 mi1.36 mi5902-595191-155191-157389(Top 29%)5660(Top 39%)5660(Top 282%)
21M21.00 mi1.00 mi5969-675214-235214-238648(Top 34%)6107(Top 42%)6107(Top 304%)
35K21.75 mi0.75 mi5900+695143+715143+715773(Top 23%)4552(Top 31%)4552(Top 227%)
23M23.00 mi1.25 mi5952-525141+25141+28632(Top 34%)5912(Top 41%)5912(Top 294%)
24M24.00 mi1.00 mi5915+375082+595082+596615(Top 26%)4779(Top 33%)4779(Top 238%)
40K24.85 mi0.85 mi5966-515087-55087-59331(Top 37%)6051(Top 42%)6051(Top 301%)
25.2M25.20 mi0.35 mi6054-885120-335120-3312166(Top 48%)7437(Top 51%)7437(Top 370%)
Finish26.22 mi1.02 mi6167-1135159-395159-3910054(Top 39%)6477(Top 44%)6477(Top 322%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21stories
+97ft-345ft

Overall

5756

Males

5204

M40-44

5204

5K→10K

3.1 - 6.2 mi

Top 25%
×5stories
+79ft-138ft

Overall

6453

Males

5732

M40-44

5732

10K→15K

6.2 - 9.3 mi

Top 23%
×3stories
+67ft-78ft

Overall

5756

Males

5204

M40-44

5204

15K→20K

9.3 - 12.4 mi

Top 23%
×5stories
+106ft-86ft

Overall

5879

Males

5235

M40-44

5235

20K→Half

12.4 - 13.1 mi

Top 27%
×2stories
+19ft-37ft

Overall

6816

Males

5861

M40-44

5861

Half→25K

13.1 - 15.5 mi

Top 27%
×4stories
+66ft-88ft

Overall

6873

Males

5735

M40-44

5735

25K→30K

15.5 - 18.6 mi

Top 23%
×9stories
+181ft-148ft

Overall

5805

Males

4881

M40-44

4881

30K→20M

18.6 - 20.0 mi

Top 29%
×5stories
+64ft-50ft

Overall

7389

Males

5660

M40-44

5660

20M→21M

20.0 - 21.0 mi

Top 34%
×8stories
+106ft-24ft

Overall

8648

Males

6107

M40-44

6107

21M→35K

21.0 - 21.8 mi

Top 23%
×7stories
+17ft-86ft

Overall

5773

Males

4552

M40-44

4552

35K→23M

21.8 - 23.0 mi

Top 34%
×5stories
+23ft-63ft

Overall

8632

Males

5912

M40-44

5912

23M→24M

23.0 - 24.0 mi

Top 26%
×6stories
+12ft-82ft

Overall

6615

Males

4779

M40-44

4779

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

9331

Males

6051

M40-44

6051

40K→25.2M

24.9 - 25.2 mi

Top 48%
×1story
+13ft-16ft

Overall

12166

Males

7437

M40-44

7437

25.2M→Finish

25.2 - 26.2 mi

Top 39%
×2stories
+22ft-21ft

Overall

10054

Males

6477

M40-44

6477

Passing Analysis

Category:
Athletes Passed
1511
Passed By
1888
Net Change
-377
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5790
5K → 10K94424-330#5790#6120
10K → 15K22271+151#6120#5969
15K → 20K202133+69#5969#5900
20K → Half1748-31#5900#5931
Half → 25K125212-87#5931#6018
25K → 30K293118+175#6018#5843
30K → 20M73132-59#5843#5902
20M → 21M81148-67#5902#5969
21M → 35K10031+69#5969#5900
35K → 23M86138-52#5900#5952
23M → 24M9962+37#5952#5915
24M → 40K64115-51#5915#5966
40K → 25.2M18106-88#5966#6054
25.2M → Finish37150-113#6054#6167
TOTALS15111888-377
📊

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