Boston Marathon logo
BOSTON MARATHON 2023

David Savard-Gagnon

Bib: 297•M

QC

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 0.5%
Gender (Male)
#0 / 15176
Top 0.7%
Masters (Masters Men)
#0 / 9891
Top 0.1%
Division (M40-44)
#0 / 2241
Top 0.6%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
17:23
Rank: #181
Start → 5K
17:23 | 5:36/mi
10K· 6.21 mi
34:41
Rank: #161 (+20)
5K → 10K
17:18 | 5:34/mi
15K· 9.32 mi
52:18
Rank: #187 (-26)
10K → 15K
17:37 | 5:40/mi
20K· 12.43 mi
1:10:01
Rank: #188 (-1)
15K → 20K
17:43 | 5:42/mi
Half· 13.11 mi
1:13:49
Rank: #187 (+1)
20K → Half
3:48 | 5:34/mi
25K· 15.53 mi
1:27:33
Rank: #176 (+11)
Half → 25K
13:44 | 5:40/mi
30K· 18.64 mi
1:45:27
Rank: #161 (+15)
25K → 30K
17:54 | 5:46/mi
20M
1:53:12
Rank: #157 (+4)
30K → 20M
7:45 | 5:42/mi
21M
1:59:13
Rank: #153 (+4)
20M → 21M
6:01 | 6:01/mi
35K· 21.75 mi
2:03:20
Rank: #148 (+5)
21M → 35K
4:07 | 5:30/mi
23M
2:10:35
Rank: #141 (+7)
35K → 23M
7:15 | 5:47/mi
24M
2:16:28
Rank: #141
23M → 24M
5:53 | 5:53/mi
40K· 24.85 mi
2:21:32
Rank: #141
24M → 40K
5:04 | 5:56/mi
25.2M
2:23:41
Rank: #136 (+5)
40K → 25.2M
2:09 | 6:14/mi
Finish· 26.22 mi
2:29:25
Rank: #133 (+3)
25.2M → Finish
5:44 | 5:38/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
Time1:13:49
Pace5:38 /mi
2nd Half
Distance13.11 mi
Time1:15:36
Pace5:46 /mi
📊Positive Split: 2.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:17:2817:235:3617:23
5:36
-
10K
6.21 mi10:34:4634:415:3517:18
5:34
-0:02
15K
9.32 mi10:52:2352:185:3717:37
5:40
+0:06
20K
12.43 mi11:10:061:10:015:3817:43
5:42
+0:02
Half
13.11 mi11:13:541:13:495:383:48
5:34
-0:08
25K
15.53 mi11:27:381:27:335:3813:44
5:40
+0:06
30K
18.64 mi11:45:321:45:275:3917:54
5:46
+0:06
20M
20.00 mi11:53:171:53:125:407:45
5:42
-0:04
21M
21.00 mi11:59:181:59:135:416:01
6:01
+0:19
35K
21.75 mi12:03:252:03:205:404:07
5:30
-0:31
23M
23.00 mi12:10:402:10:355:417:15
5:47
+0:17
24M
24.00 mi12:16:332:16:285:415:53
5:53
+0:06
40K
24.85 mi12:21:372:21:325:425:04
5:56
+0:03
25.2M
25.20 mi12:23:462:23:415:422:09
6:14
+0:18
Finish
26.22 mi12:29:302:29:255:425:44
5:38
-0:36

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

5:30 /mi

Average Pace

5:42 /mi

Slowest Pace

6:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:27:16

99% of race

Time at Steady Pace

2:09

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 5:42 /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 mi10:17:2817:235:3617:23
5:36
#181
10K
6.21 mi10:34:4634:415:3517:18
5:34
#161
15K
9.32 mi10:52:2352:185:3717:37
5:40
#187
20K
12.43 mi11:10:061:10:015:3817:43
5:42
#188
Half
13.11 mi11:13:541:13:495:383:48
5:34
#187
25K
15.53 mi11:27:381:27:335:3813:44
5:40
#176
30K
18.64 mi11:45:321:45:275:3917:54
5:46
#161
20M
20.00 mi11:53:171:53:125:407:45
5:42
#157
21M
21.00 mi11:59:181:59:135:416:01
6:01
#153
35K
21.75 mi12:03:252:03:205:404:07
5:30
#148
23M
23.00 mi12:10:402:10:355:417:15
5:47
#141
24M
24.00 mi12:16:332:16:285:415:53
5:53
#141
40K
24.85 mi12:21:372:21:325:425:04
5:56
#141
25.2M
25.20 mi12:23:462:23:415:422:09
6:14
#136
Finish
26.22 mi12:29:302:29:255:425:44
5:38
#133
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi181181181212(Top 0.8%)184(Top 1%)184(Top 8%)
10K6.21 mi3.10 mi161+20161+20161+20178(Top 0.7%)151(Top 1.0%)151(Top 7%)
15K9.32 mi3.11 mi187-26162-1162-1212(Top 0.8%)184(Top 1%)184(Top 8%)
20K12.43 mi3.11 mi188-1163-1163-1193(Top 0.7%)169(Top 1%)169(Top 8%)
Half13.11 mi0.68 mi187+1163163166(Top 0.6%)145(Top 1.0%)145(Top 6%)
25K15.53 mi2.42 mi176+11152+11152+11145(Top 0.5%)124(Top 0.8%)124(Top 6%)
30K18.64 mi3.11 mi161+15140+12140+12135(Top 0.5%)115(Top 0.8%)115(Top 5%)
20M20.00 mi1.36 mi157+4136+4136+4112(Top 0.4%)93(Top 0.6%)93(Top 4%)
21M21.00 mi1.00 mi153+4132+4132+4116(Top 0.4%)98(Top 0.6%)98(Top 4%)
35K21.75 mi0.75 mi148+5127+5127+5102(Top 0.4%)81(Top 0.5%)81(Top 4%)
23M23.00 mi1.25 mi141+7121+6121+6126(Top 0.5%)107(Top 0.7%)107(Top 5%)
24M24.00 mi1.00 mi141121121356(Top 1%)330(Top 2%)330(Top 15%)
40K24.85 mi0.85 mi141121121235(Top 0.9%)212(Top 1%)212(Top 9%)
25.2M25.20 mi0.35 mi136+5116+5116+5177(Top 0.7%)158(Top 1%)158(Top 7%)
Finish26.22 mi1.02 mi133+3113+3113+3166(Top 0.6%)150(Top 1.0%)150(Top 7%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 0.8%
×21stories
+97ft-345ft

Overall

212

Males

184

M40-44

184

5K→10K

3.1 - 6.2 mi

Top 0.7%
×5stories
+79ft-138ft

Overall

178

Males

151

M40-44

151

10K→15K

6.2 - 9.3 mi

Top 0.8%
×3stories
+67ft-78ft

Overall

212

Males

184

M40-44

184

15K→20K

9.3 - 12.4 mi

Top 0.7%
×5stories
+106ft-86ft

Overall

193

Males

169

M40-44

169

20K→Half

12.4 - 13.1 mi

Top 0.6%
×2stories
+19ft-37ft

Overall

166

Males

145

M40-44

145

Half→25K

13.1 - 15.5 mi

Top 0.5%
×4stories
+66ft-88ft

Overall

145

Males

124

M40-44

124

25K→30K

15.5 - 18.6 mi

Top 0.5%
×9stories
+181ft-148ft

Overall

135

Males

115

M40-44

115

30K→20M

18.6 - 20.0 mi

Top 0.4%
×5stories
+64ft-50ft

Overall

112

Males

93

M40-44

93

20M→21M

20.0 - 21.0 mi

Top 0.4%
×8stories
+106ft-24ft

Overall

116

Males

98

M40-44

98

21M→35K

21.0 - 21.8 mi

Top 0.4%
×7stories
+17ft-86ft

Overall

102

Males

81

M40-44

81

35K→23M

21.8 - 23.0 mi

Top 0.5%
×5stories
+23ft-63ft

Overall

126

Males

107

M40-44

107

23M→24M

23.0 - 24.0 mi

Top 1%
×6stories
+12ft-82ft

Overall

356

Males

330

M40-44

330

24M→40K

24.0 - 24.9 mi

Top 0.9%
×1story
+6ft-20ft

Overall

235

Males

212

M40-44

212

40K→25.2M

24.9 - 25.2 mi

Top 0.7%
×1story
+13ft-16ft

Overall

177

Males

158

M40-44

158

25.2M→Finish

25.2 - 26.2 mi

Top 0.6%
×2stories
+22ft-21ft

Overall

166

Males

150

M40-44

150

Passing Analysis

Category:
Athletes Passed
98
Passed By
50
Net Change
+48
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#181
5K → 10K211+20#181#161
10K → 15K430-26#161#187
15K → 20K89-1#187#188
20K → Half10+1#188#187
Half → 25K121+11#187#176
25K → 30K161+15#176#161
30K → 20M51+4#161#157
20M → 21M51+4#157#153
21M → 35K50+5#153#148
35K → 23M70+7#148#141
23M → 24M330#141#141
24M → 40K220#141#141
40K → 25.2M50+5#141#136
25.2M → Finish41+3#136#133
TOTALS9850+48
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

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