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BOSTON MARATHON 2023

Fran Sur

Bib: 10541•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 34%
Gender (Male)
#0 / 15176
Top 48%
Masters (Masters Men)
#0 / 9891
Top 37%
Division (M45-49)
#0 / 2252
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
7:34/mi
23:30
↑ 97↓ 3451.5%
10K· 6.21 mi
7:24/mi
46:30
↑ 79↓ 1380.4%
15K· 9.32 mi
7:27/mi
1:09:39
↑ 67↓ 78
20K· 12.43 mi
7:34/mi
1:33:10
↑ 106↓ 860.1%
Half· 13.11 mi
7:18/mi
1:38:09
↑ 19↓ 370.5%
25K· 15.53 mi
7:35/mi
1:56:33
↑ 66↓ 880.2%
30K· 18.64 mi
7:49/mi
2:20:50
↑ 181↓ 1480.2%
20M
7:52/mi
2:31:32
↑ 64↓ 500.2%
21M
8:27/mi
2:39:59
↑ 106↓ 241.6%
35K· 21.75 mi
7:26/mi
2:45:33
↑ 17↓ 861.7%
23M
7:47/mi
2:55:18
↑ 23↓ 630.6%
24M
7:34/mi
3:02:52
↓ 821.3%
40K· 24.85 mi
7:34/mi
3:09:20
↓ 200.3%
25.2M
8:07/mi
3:12:08
↑ 13↓ 160.2%
Finish· 26.22 mi
7:05/mi
3:19:21
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:09
Pace7:29 /mi
2nd Half
Distance13.11 mi
Time1:41:12
Pace7:43 /mi
📊Positive Split: 3.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:0123:307:3423:30
7:34
-
10K
6.21 mi11:37:0146:307:2923:00
7:24
-0:10
15K
9.32 mi12:00:101:09:397:2823:09
7:27
+0:03
20K
12.43 mi12:23:411:33:107:3023:31
7:34
+0:07
Half
13.11 mi12:28:401:38:097:294:59
7:18
-0:16
25K
15.53 mi12:47:041:56:337:3018:24
7:35
+0:17
30K
18.64 mi13:11:212:20:507:3324:17
7:49
+0:14
20M
20.00 mi13:22:032:31:327:3510:42
7:52
+0:03
21M
21.00 mi13:30:302:39:597:378:27
8:27
+0:35
35K
21.75 mi13:36:042:45:337:375:34
7:26
-1:01
23M
23.00 mi13:45:492:55:187:379:45
7:47
+0:21
24M
24.00 mi13:53:233:02:527:377:34
7:34
-0:13
40K
24.85 mi13:59:513:09:207:376:28
7:34
0:00
25.2M
25.20 mi14:02:393:12:087:372:48
8:07
+0:33
Finish
26.22 mi14:09:523:19:217:377:13
7:05
-1:02

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

7:05 /mi

Average Pace

7:37 /mi

Slowest Pace

8:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:33:07

77% of race

Time at Steady Pace

37:47

19% of race

Time at Slower Pace

8:27

4% of race

Average Pace: 7:36 /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 mi11:14:0123:307:3423:30
7:34
#10185
10K
6.21 mi11:37:0146:307:2923:00
7:24
#9865
15K
9.32 mi12:00:101:09:397:2823:09
7:27
#9797
20K
12.43 mi12:23:411:33:107:3023:31
7:34
#9795
Half
13.11 mi12:28:401:38:097:294:59
7:18
#9725
25K
15.53 mi12:47:041:56:337:3018:24
7:35
#9673
30K
18.64 mi13:11:212:20:507:3324:17
7:49
#9630
20M
20.00 mi13:22:032:31:327:3510:42
7:52
#9577
21M
21.00 mi13:30:302:39:597:378:27
8:27
#9568
35K
21.75 mi13:36:042:45:337:375:34
7:26
#9508
23M
23.00 mi13:45:492:55:187:379:45
7:47
#9382
24M
24.00 mi13:53:233:02:527:377:34
7:34
#9286
40K
24.85 mi13:59:513:09:207:376:28
7:34
#9185
25.2M
25.20 mi14:02:393:12:087:372:48
8:07
#9150
Finish
26.22 mi14:09:523:19:217:377:13
7:05
#8993
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi10185822582259763(Top 37%)8011(Top 53%)8011(Top 356%)
10K6.21 mi3.10 mi9865+3208078+1478078+1479641(Top 36%)7953(Top 52%)7953(Top 353%)
15K9.32 mi3.11 mi9797+688037+418037+419763(Top 37%)8011(Top 53%)8011(Top 356%)
20K12.43 mi3.11 mi9795+28031+68031+69836(Top 37%)7984(Top 53%)7984(Top 355%)
Half13.11 mi0.68 mi9725+707993+387993+388609(Top 32%)7273(Top 48%)7273(Top 323%)
25K15.53 mi2.42 mi9673+527945+487945+489444(Top 35%)7676(Top 51%)7676(Top 341%)
30K18.64 mi3.11 mi9630+437890+557890+559474(Top 36%)7541(Top 50%)7541(Top 335%)
20M20.00 mi1.36 mi9577+537824+667824+669368(Top 35%)7396(Top 49%)7396(Top 328%)
21M21.00 mi1.00 mi9568+97799+257799+2510152(Top 38%)7682(Top 51%)7682(Top 341%)
35K21.75 mi0.75 mi9508+607746+537746+538073(Top 30%)6544(Top 43%)6544(Top 291%)
23M23.00 mi1.25 mi9382+1267646+1007646+1008320(Top 31%)6595(Top 43%)6595(Top 293%)
24M24.00 mi1.00 mi9286+967564+827564+828148(Top 31%)6404(Top 42%)6404(Top 284%)
40K24.85 mi0.85 mi9185+1017476+887476+887105(Top 27%)5698(Top 38%)5698(Top 253%)
25.2M25.20 mi0.35 mi9150+357449+277449+277202(Top 27%)5716(Top 38%)5716(Top 254%)
Finish26.22 mi1.02 mi8993+1577340+1097340+1095725(Top 22%)4752(Top 31%)4752(Top 211%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21story building
+97ft-345ft

Overall

9763

Males

8011

M45-49

8011

5K→10K

3.1 - 6.2 mi

Top 36%
×5story building
+79ft-138ft

Overall

9641

Males

7953

M45-49

7953

10K→15K

6.2 - 9.3 mi

Top 37%
×3story building
+67ft-78ft

Overall

9763

Males

8011

M45-49

8011

15K→20K

9.3 - 12.4 mi

Top 37%
×5story building
+106ft-86ft

Overall

9836

Males

7984

M45-49

7984

20K→Half

12.4 - 13.1 mi

Top 32%
×2story building
+19ft-37ft

Overall

8609

Males

7273

M45-49

7273

Half→25K

13.1 - 15.5 mi

Top 35%
×4story building
+66ft-88ft

Overall

9444

Males

7676

M45-49

7676

25K→30K

15.5 - 18.6 mi

Top 36%
×9story building
+181ft-148ft

Overall

9474

Males

7541

M45-49

7541

30K→20M

18.6 - 20.0 mi

Top 35%
×5story building
+64ft-50ft

Overall

9368

Males

7396

M45-49

7396

20M→21M

20.0 - 21.0 mi

Top 38%
×8story building
+106ft-24ft

Overall

10152

Males

7682

M45-49

7682

21M→35K

21.0 - 21.8 mi

Top 30%
×7story building
+17ft-86ft

Overall

8073

Males

6544

M45-49

6544

35K→23M

21.8 - 23.0 mi

Top 31%
×5story building
+23ft-63ft

Overall

8320

Males

6595

M45-49

6595

23M→24M

23.0 - 24.0 mi

Top 31%
×6story building
+12ft-82ft

Overall

8148

Males

6404

M45-49

6404

24M→40K

24.0 - 24.9 mi

Top 27%
×1story
+6ft-20ft

Overall

7105

Males

5698

M45-49

5698

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7202

Males

5716

M45-49

5716

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2story building
+22ft-21ft

Overall

5725

Males

4752

M45-49

4752

Passing Analysis

Category:
Athletes Passed
2123*
Passed By
931
Net Change
+1192
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10185
5K → 10K489*169+320#10185#9865
10K → 15K209141+68#9865#9797
15K → 20K154*152+2#9797#9795
20K → Half8010+70#9795#9725
Half → 25K14492+52#9725#9673
25K → 30K188*145+43#9673#9630
30K → 20M11057+53#9630#9577
20M → 21M8475+9#9577#9568
21M → 35K7717+60#9568#9508
35K → 23M14822+126#9508#9382
23M → 24M11822+96#9382#9286
24M → 40K11615+101#9286#9185
40K → 25.2M416+35#9185#9150
25.2M → Finish1658+157#9150#8993
TOTALS2123*931+1192

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing