Boston Marathon logo
BOSTON MARATHON 2023

David Fraseur

Bib: 17981•M

IN

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M60-64)
#0 / 1110
Top 38%
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
8:24/mi
26:06
↑ 97↓ 3451.5%
10K· 6.21 mi
8:15/mi
51:45
↑ 79↓ 1380.4%
15K· 9.32 mi
8:11/mi
1:17:11
↑ 67↓ 78
20K· 12.43 mi
8:24/mi
1:43:17
↑ 106↓ 860.1%
Half· 13.11 mi
8:17/mi
1:48:56
↑ 19↓ 370.5%
25K· 15.53 mi
8:20/mi
2:09:09
↑ 66↓ 880.2%
30K· 18.64 mi
8:47/mi
2:36:27
↑ 181↓ 1480.2%
20M
8:48/mi
2:48:24
↑ 64↓ 500.2%
21M
9:18/mi
2:57:42
↑ 106↓ 241.6%
35K· 21.75 mi
8:43/mi
3:04:13
↑ 17↓ 861.7%
23M
8:58/mi
3:15:26
↑ 23↓ 630.6%
24M
8:54/mi
3:24:20
↓ 821.3%
40K· 24.85 mi
8:57/mi
3:31:59
↓ 200.3%
25.2M
9:37/mi
3:35:18
↑ 13↓ 160.2%
Finish· 26.22 mi
8:34/mi
3:44:02
↑ 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
Time1:48:56
Pace8:19 /mi
2nd Half
Distance13.11 mi
Time1:55:06
Pace8:47 /mi
📊Positive Split: 5.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:4026:068:2426:06
8:24
-
10K
6.21 mi11:47:1951:458:2025:39
8:15
-0:09
15K
9.32 mi12:12:451:17:118:1725:26
8:11
-0:04
20K
12.43 mi12:38:511:43:178:1926:06
8:24
+0:13
Half
13.11 mi12:44:301:48:568:195:39
8:17
-0:07
25K
15.53 mi13:04:432:09:098:1920:13
8:20
+0:03
30K
18.64 mi13:32:012:36:278:2427:18
8:47
+0:27
20M
20.00 mi13:43:582:48:248:2511:57
8:48
+0:01
21M
21.00 mi13:53:162:57:428:289:18
9:18
+0:30
35K
21.75 mi13:59:473:04:138:286:31
8:43
-0:35
23M
23.00 mi14:11:003:15:268:3011:13
8:58
+0:15
24M
24.00 mi14:19:543:24:208:318:54
8:54
-0:04
40K
24.85 mi14:27:333:31:598:327:39
8:57
+0:03
25.2M
25.20 mi14:30:523:35:188:333:19
9:37
+0:40
Finish
26.22 mi14:39:363:44:028:338:44
8:34
-1:03

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

8:11 /mi

Average Pace

8:33 /mi

Slowest Pace

9:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:31:25

94% of race

Time at Steady Pace

12:37

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:33 /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 mi11:21:4026:068:2426:06
8:24
#16869
10K
6.21 mi11:47:1951:458:2025:39
8:15
#16699
15K
9.32 mi12:12:451:17:118:1725:26
8:11
#16367
20K
12.43 mi12:38:511:43:178:1926:06
8:24
#16366
Half
13.11 mi12:44:301:48:568:195:39
8:17
#16363
25K
15.53 mi13:04:432:09:098:1920:13
8:20
#16129
30K
18.64 mi13:32:012:36:278:2427:18
8:47
#16102
20M
20.00 mi13:43:582:48:248:2511:57
8:48
#16035
21M
21.00 mi13:53:162:57:428:289:18
9:18
#15944
35K
21.75 mi13:59:473:04:138:286:31
8:43
#15940
23M
23.00 mi14:11:003:15:268:3011:13
8:58
#15942
24M
24.00 mi14:19:543:24:208:318:54
8:54
#15966
40K
24.85 mi14:27:333:31:598:327:39
8:57
#15948
25.2M
25.20 mi14:30:523:35:188:333:19
9:37
#15942
Finish
26.22 mi14:39:363:44:028:338:44
8:34
#15932
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi16869110091100915749(Top 59%)10593(Top 70%)10593(Top 954%)
10K6.21 mi3.10 mi16699+17010970+3910970+3916613(Top 62%)10946(Top 72%)10946(Top 986%)
15K9.32 mi3.11 mi16367+33210840+13010840+13015749(Top 59%)10593(Top 70%)10593(Top 954%)
20K12.43 mi3.11 mi16366+110814+2610814+2616239(Top 61%)10727(Top 71%)10727(Top 966%)
Half13.11 mi0.68 mi16363+310811+310811+316320(Top 61%)10806(Top 71%)10806(Top 974%)
25K15.53 mi2.42 mi16129+23410695+11610695+11615178(Top 57%)10210(Top 67%)10210(Top 920%)
30K18.64 mi3.11 mi16102+2710647+4810647+4815962(Top 60%)10464(Top 69%)10464(Top 943%)
20M20.00 mi1.36 mi16035+6710600+4710600+4715383(Top 58%)10160(Top 67%)10160(Top 915%)
21M21.00 mi1.00 mi15944+9110542+5810542+5814964(Top 56%)9917(Top 65%)9917(Top 893%)
35K21.75 mi0.75 mi15940+410525+1710525+1716431(Top 62%)10448(Top 69%)10448(Top 941%)
23M23.00 mi1.25 mi15942-210495+3010495+3015827(Top 59%)10159(Top 67%)10159(Top 915%)
24M24.00 mi1.00 mi15966-2410490+510490+516745(Top 63%)10500(Top 69%)10500(Top 946%)
40K24.85 mi0.85 mi15948+1810476+1410476+1415837(Top 59%)10058(Top 66%)10058(Top 906%)
25.2M25.20 mi0.35 mi15942+610470+610470+615690(Top 59%)9978(Top 66%)9978(Top 899%)
Finish26.22 mi1.02 mi15932+1010463+710463+715804(Top 59%)10088(Top 66%)10088(Top 909%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21story building
+97ft-345ft

Overall

15749

Males

10593

M60-64

10593

5K→10K

3.1 - 6.2 mi

Top 62%
×5story building
+79ft-138ft

Overall

16613

Males

10946

M60-64

10946

10K→15K

6.2 - 9.3 mi

Top 59%
×3story building
+67ft-78ft

Overall

15749

Males

10593

M60-64

10593

15K→20K

9.3 - 12.4 mi

Top 61%
×5story building
+106ft-86ft

Overall

16239

Males

10727

M60-64

10727

20K→Half

12.4 - 13.1 mi

Top 61%
×2story building
+19ft-37ft

Overall

16320

Males

10806

M60-64

10806

Half→25K

13.1 - 15.5 mi

Top 57%
×4story building
+66ft-88ft

Overall

15178

Males

10210

M60-64

10210

25K→30K

15.5 - 18.6 mi

Top 60%
×9story building
+181ft-148ft

Overall

15962

Males

10464

M60-64

10464

30K→20M

18.6 - 20.0 mi

Top 58%
×5story building
+64ft-50ft

Overall

15383

Males

10160

M60-64

10160

20M→21M

20.0 - 21.0 mi

Top 56%
×8story building
+106ft-24ft

Overall

14964

Males

9917

M60-64

9917

21M→35K

21.0 - 21.8 mi

Top 62%
×7story building
+17ft-86ft

Overall

16431

Males

10448

M60-64

10448

35K→23M

21.8 - 23.0 mi

Top 59%
×5story building
+23ft-63ft

Overall

15827

Males

10159

M60-64

10159

23M→24M

23.0 - 24.0 mi

Top 63%
×6story building
+12ft-82ft

Overall

16745

Males

10500

M60-64

10500

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

15837

Males

10058

M60-64

10058

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1story
+13ft-16ft

Overall

15690

Males

9978

M60-64

9978

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2story building
+22ft-21ft

Overall

15804

Males

10088

M60-64

10088

Passing Analysis

Category:
Athletes Passed
2090
Passed By
1153
Net Change
+937
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16869
5K → 10K396226+170#16869#16699
10K → 15K41381+332#16699#16367
15K → 20K172171+1#16367#16366
20K → Half4037+3#16366#16363
Half → 25K27642+234#16363#16129
25K → 30K192165+27#16129#16102
30K → 20M10639+67#16102#16035
20M → 21M13140+91#16035#15944
21M → 35K5248+4#15944#15940
35K → 23M8789-2#15940#15942
23M → 24M6993-24#15942#15966
24M → 40K5941+18#15966#15948
40K → 25.2M3226+6#15948#15942
25.2M → Finish6555+10#15942#15932
TOTALS20901153+937
📊

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