Boston Marathon logo
BOSTON MARATHON 2023

Dave Weikert

Bib: 10725•M

PA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 27%
Gender (Male)
#0 / 15176
Top 41%
Masters (Masters Men)
#0 / 9891
Top 28%
Division (M45-49)
#0 / 2252
Top 37%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ 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
7:24/mi
22:58
↑ 97↓ 3451.5%
10K· 6.21 mi
7:27/mi
46:08
↑ 79↓ 1380.4%
15K· 9.32 mi
7:16/mi
1:08:42
↑ 67↓ 78
20K· 12.43 mi
7:18/mi
1:31:24
↑ 106↓ 860.1%
Half· 13.11 mi
7:18/mi
1:36:23
↑ 19↓ 370.5%
25K· 15.53 mi
7:15/mi
1:53:58
↑ 66↓ 880.2%
30K· 18.64 mi
7:26/mi
2:17:04
↑ 181↓ 1480.2%
20M
7:44/mi
2:27:35
↑ 64↓ 500.2%
21M
7:47/mi
2:35:22
↑ 106↓ 241.6%
35K· 21.75 mi
7:09/mi
2:40:43
↑ 17↓ 861.7%
23M
7:34/mi
2:50:11
↑ 23↓ 630.6%
24M
7:13/mi
2:57:24
↓ 821.3%
40K· 24.85 mi
7:19/mi
3:03:39
↓ 200.3%
25.2M
7:32/mi
3:06:15
↑ 13↓ 160.2%
Finish· 26.22 mi
6:52/mi
3:13:15
↑ 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
Time1:36:23
Pace7:21 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:36:52
Pace7:23 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:1222:587:2422:58
7:24
-
10K
6.21 mi11:12:2246:087:2523:10
7:27
+0:03
15K
9.32 mi11:34:561:08:427:2222:34
7:16
-0:11
20K
12.43 mi11:57:381:31:247:2122:42
7:18
+0:02
Half
13.11 mi12:02:371:36:237:214:59
7:18
0:00
25K
15.53 mi12:20:121:53:587:2017:35
7:15
-0:03
30K
18.64 mi12:43:182:17:047:2123:06
7:26
+0:11
20M
20.00 mi12:53:492:27:357:2310:31
7:44
+0:18
21M
21.00 mi13:01:362:35:227:247:47
7:47
+0:03
35K
21.75 mi13:06:572:40:437:235:21
7:09
-0:38
23M
23.00 mi13:16:252:50:117:249:28
7:34
+0:25
24M
24.00 mi13:23:382:57:247:247:13
7:13
-0:21
40K
24.85 mi13:29:533:03:397:236:15
7:19
+0:06
25.2M
25.20 mi13:32:293:06:157:232:36
7:32
+0:13
Finish
26.22 mi13:39:293:13:157:237:00
6:52
-0:40

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

6:52 /mi

Average Pace

7:23 /mi

Slowest Pace

7:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:45:29

86% of race

Time at Steady Pace

27:46

14% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:22 /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 mi10:49:1222:587:2422:58
7:24
#8755
10K
6.21 mi11:12:2246:087:2523:10
7:27
#9362
15K
9.32 mi11:34:561:08:427:2222:34
7:16
#8976
20K
12.43 mi11:57:381:31:247:2122:42
7:18
#8661
Half
13.11 mi12:02:371:36:237:214:59
7:18
#8647
25K
15.53 mi12:20:121:53:587:2017:35
7:15
#8350
30K
18.64 mi12:43:182:17:047:2123:06
7:26
#8035
20M
20.00 mi12:53:492:27:357:2310:31
7:44
#8009
21M
21.00 mi13:01:362:35:227:247:47
7:47
#7847
35K
21.75 mi13:06:572:40:437:235:21
7:09
#7772
23M
23.00 mi13:16:252:50:117:249:28
7:34
#7677
24M
24.00 mi13:23:382:57:247:247:13
7:13
#7565
40K
24.85 mi13:29:533:03:397:236:15
7:19
#7461
25.2M
25.20 mi13:32:293:06:157:232:36
7:32
#7397
Finish
26.22 mi13:39:293:13:157:237:00
6:52
#7225
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi8755744874488254(Top 31%)7076(Top 47%)7076(Top 314%)
10K6.21 mi3.10 mi9362-6077794-3467794-34610099(Top 38%)8215(Top 54%)8215(Top 365%)
15K9.32 mi3.11 mi8976+3867546+2487546+2488254(Top 31%)7076(Top 47%)7076(Top 314%)
20K12.43 mi3.11 mi8661+3157349+1977349+1977820(Top 29%)6766(Top 45%)6766(Top 300%)
Half13.11 mi0.68 mi8647+147342+77342+78563(Top 32%)7227(Top 48%)7227(Top 321%)
25K15.53 mi2.42 mi8350+2977135+2077135+2076958(Top 26%)6125(Top 40%)6125(Top 272%)
30K18.64 mi3.11 mi8035+3156895+2406895+2406803(Top 26%)5934(Top 39%)5934(Top 263%)
20M20.00 mi1.36 mi8009+266864+316864+318408(Top 32%)6833(Top 45%)6833(Top 303%)
21M21.00 mi1.00 mi7847+1626750+1146750+1146088(Top 23%)5257(Top 35%)5257(Top 233%)
35K21.75 mi0.75 mi7772+756692+586692+586217(Top 23%)5389(Top 36%)5389(Top 239%)
23M23.00 mi1.25 mi7677+956610+826610+826790(Top 26%)5688(Top 37%)5688(Top 253%)
24M24.00 mi1.00 mi7565+1126509+1016509+1015835(Top 22%)5001(Top 33%)5001(Top 222%)
40K24.85 mi0.85 mi7461+1046412+976412+975516(Top 21%)4703(Top 31%)4703(Top 209%)
25.2M25.20 mi0.35 mi7397+646363+496363+494114(Top 15%)3656(Top 24%)3656(Top 162%)
Finish26.22 mi1.02 mi7225+1726227+1366227+1364460(Top 17%)3893(Top 26%)3893(Top 173%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21story building
+97ft-345ft

Overall

8254

Males

7076

M45-49

7076

5K→10K

3.1 - 6.2 mi

Top 38%
×5story building
+79ft-138ft

Overall

10099

Males

8215

M45-49

8215

10K→15K

6.2 - 9.3 mi

Top 31%
×3story building
+67ft-78ft

Overall

8254

Males

7076

M45-49

7076

15K→20K

9.3 - 12.4 mi

Top 29%
×5story building
+106ft-86ft

Overall

7820

Males

6766

M45-49

6766

20K→Half

12.4 - 13.1 mi

Top 32%
×2story building
+19ft-37ft

Overall

8563

Males

7227

M45-49

7227

Half→25K

13.1 - 15.5 mi

Top 26%
×4story building
+66ft-88ft

Overall

6958

Males

6125

M45-49

6125

25K→30K

15.5 - 18.6 mi

Top 26%
×9story building
+181ft-148ft

Overall

6803

Males

5934

M45-49

5934

30K→20M

18.6 - 20.0 mi

Top 32%
×5story building
+64ft-50ft

Overall

8408

Males

6833

M45-49

6833

20M→21M

20.0 - 21.0 mi

Top 23%
×8story building
+106ft-24ft

Overall

6088

Males

5257

M45-49

5257

21M→35K

21.0 - 21.8 mi

Top 23%
×7story building
+17ft-86ft

Overall

6217

Males

5389

M45-49

5389

35K→23M

21.8 - 23.0 mi

Top 26%
×5story building
+23ft-63ft

Overall

6790

Males

5688

M45-49

5688

23M→24M

23.0 - 24.0 mi

Top 22%
×6story building
+12ft-82ft

Overall

5835

Males

5001

M45-49

5001

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5516

Males

4703

M45-49

4703

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

4114

Males

3656

M45-49

3656

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2story building
+22ft-21ft

Overall

4460

Males

3893

M45-49

3893

Passing Analysis

Category:
Athletes Passed
2448
Passed By
918
Net Change
+1530
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8755
5K → 10K81688-607#8755#9362
10K → 15K41024+386#9362#8976
15K → 20K33217+315#8976#8661
20K → Half3521+14#8661#8647
Half → 25K3014+297#8647#8350
25K → 30K32914+315#8350#8035
30K → 20M9569+26#8035#8009
20M → 21M1708+162#8009#7847
21M → 35K838+75#7847#7772
35K → 23M12429+95#7772#7677
23M → 24M12816+112#7677#7565
24M → 40K11612+104#7565#7461
40K → 25.2M673+64#7461#7397
25.2M → Finish1775+172#7397#7225
TOTALS2448918+1530
📊

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