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BOSTON MARATHON 2023

Nurcan Demir

Bib: 27961•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F45-49)
#0 / 1817
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
11:26/mi
35:32
↑ 97↓ 3451.5%
10K· 6.21 mi
10:36/mi
1:08:27
↑ 79↓ 1380.4%
15K· 9.32 mi
11:13/mi
1:43:18
↑ 67↓ 78
20K· 12.43 mi
11:35/mi
2:19:16
↑ 106↓ 860.1%
Half· 13.11 mi
10:55/mi
2:26:43
↑ 19↓ 370.5%
25K· 15.53 mi
12:08/mi
2:56:07
↑ 66↓ 880.2%
30K· 18.64 mi
13:01/mi
3:36:34
↑ 181↓ 1480.2%
20M
13:18/mi
3:54:38
↑ 64↓ 500.2%
21M
14:29/mi
4:09:07
↑ 106↓ 241.6%
35K· 21.75 mi
12:14/mi
4:18:16
↑ 17↓ 861.7%
23M
12:31/mi
4:33:56
↑ 23↓ 630.6%
24M
12:15/mi
4:46:11
↓ 821.3%
40K· 24.85 mi
12:27/mi
4:56:50
↓ 200.3%
25.2M
13:55/mi
5:01:38
↑ 13↓ 160.2%
Finish· 26.22 mi
11:49/mi
5:13:41
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:26:43
Pace11:11 /mi
2nd Half
Distance13.11 mi
Time2:46:58
Pace12:44 /mi
📊Positive Split: 13.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:4935:3211:2635:32
11:26
-
10K
6.21 mi12:25:441:08:2711:0132:55
10:36
-0:50
15K
9.32 mi13:00:351:43:1811:0534:51
11:13
+0:37
20K
12.43 mi13:36:332:19:1611:1235:58
11:35
+0:22
Half
13.11 mi13:44:002:26:4311:117:27
10:55
-0:40
25K
15.53 mi14:13:242:56:0711:2029:24
12:08
+1:13
30K
18.64 mi14:53:513:36:3411:3740:27
13:01
+0:53
20M
20.00 mi15:11:553:54:3811:4418:04
13:18
+0:17
21M
21.00 mi15:26:244:09:0711:5214:29
14:29
+1:11
35K
21.75 mi15:35:334:18:1611:539:09
12:14
-2:15
23M
23.00 mi15:51:134:33:5611:5515:40
12:31
+0:17
24M
24.00 mi16:03:284:46:1111:5512:15
12:15
-0:16
40K
24.85 mi16:14:074:56:5011:5710:39
12:27
+0:12
25.2M
25.20 mi16:18:555:01:3811:584:48
13:55
+1:28
Finish
26.22 mi16:30:585:13:4111:5812:03
11:49
-2:06

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

10:36 /mi

Average Pace

11:58 /mi

Slowest Pace

14:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:26:43

47% of race

Time at Steady Pace

1:29:10

28% of race

Time at Slower Pace

1:17:48

25% of race

Average Pace: 11:58 /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 mi11:52:4935:3211:2635:32
11:26
#26165
10K
6.21 mi12:25:441:08:2711:0132:55
10:36
#25627
15K
9.32 mi13:00:351:43:1811:0534:51
11:13
#25554
20K
12.43 mi13:36:332:19:1611:1235:58
11:35
#25481
Half
13.11 mi13:44:002:26:4311:117:27
10:55
#25455
25K
15.53 mi14:13:242:56:0711:2029:24
12:08
#25428
30K
18.64 mi14:53:513:36:3411:3740:27
13:01
#25449
20M
20.00 mi15:11:553:54:3811:4418:04
13:18
#25465
21M
21.00 mi15:26:244:09:0711:5214:29
14:29
#25468
35K
21.75 mi15:35:334:18:1611:539:09
12:14
#25460
23M
23.00 mi15:51:134:33:5611:5515:40
12:31
#25427
24M
24.00 mi16:03:284:46:1111:5512:15
12:15
#25414
40K
24.85 mi16:14:074:56:5011:5710:39
12:27
#25388
25.2M
25.20 mi16:18:555:01:3811:584:48
13:55
#25381
Finish
26.22 mi16:30:585:13:4111:5812:03
11:49
#25378
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi26165111541115425445(Top 96%)10710(Top 94%)10710(Top 589%)
10K6.21 mi3.10 mi25627+53810813+34110813+34124853(Top 93%)10358(Top 91%)10358(Top 570%)
15K9.32 mi3.11 mi25554+7310770+4310770+4325445(Top 96%)10710(Top 94%)10710(Top 589%)
20K12.43 mi3.11 mi25481+7310735+3510735+3525330(Top 95%)10674(Top 93%)10674(Top 587%)
Half13.11 mi0.68 mi25455+2610722+1310722+1324850(Top 93%)10416(Top 91%)10416(Top 573%)
25K15.53 mi2.42 mi25428+2710718+410718+425260(Top 95%)10662(Top 93%)10662(Top 587%)
30K18.64 mi3.11 mi25449-2110750-3210750-3225431(Top 96%)10805(Top 95%)10805(Top 595%)
20M20.00 mi1.36 mi25465-1610764-1410764-1425407(Top 95%)10807(Top 95%)10807(Top 595%)
21M21.00 mi1.00 mi25468-310769-510769-525419(Top 95%)10821(Top 95%)10821(Top 596%)
35K21.75 mi0.75 mi25460+810766+310766+324923(Top 94%)10617(Top 93%)10617(Top 584%)
23M23.00 mi1.25 mi25427+3310754+1210754+1224600(Top 92%)10438(Top 91%)10438(Top 574%)
24M24.00 mi1.00 mi25414+1310749+510749+524800(Top 93%)10586(Top 93%)10586(Top 583%)
40K24.85 mi0.85 mi25388+2610737+1210737+1224401(Top 92%)10393(Top 91%)10393(Top 572%)
25.2M25.20 mi0.35 mi25381+7107371073724958(Top 94%)10677(Top 93%)10677(Top 588%)
Finish26.22 mi1.02 mi25378+310735+210735+225079(Top 94%)10708(Top 94%)10708(Top 589%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
×21story building
+97ft-345ft

Overall

25445

Females

10710

F45-49

10710

5K→10K

3.1 - 6.2 mi

Top 93%
×5story building
+79ft-138ft

Overall

24853

Females

10358

F45-49

10358

10K→15K

6.2 - 9.3 mi

Top 96%
×3story building
+67ft-78ft

Overall

25445

Females

10710

F45-49

10710

15K→20K

9.3 - 12.4 mi

Top 95%
×5story building
+106ft-86ft

Overall

25330

Females

10674

F45-49

10674

20K→Half

12.4 - 13.1 mi

Top 93%
×2story building
+19ft-37ft

Overall

24850

Females

10416

F45-49

10416

Half→25K

13.1 - 15.5 mi

Top 95%
×4story building
+66ft-88ft

Overall

25260

Females

10662

F45-49

10662

25K→30K

15.5 - 18.6 mi

Top 96%
×9story building
+181ft-148ft

Overall

25431

Females

10805

F45-49

10805

30K→20M

18.6 - 20.0 mi

Top 95%
×5story building
+64ft-50ft

Overall

25407

Females

10807

F45-49

10807

20M→21M

20.0 - 21.0 mi

Top 95%
×8story building
+106ft-24ft

Overall

25419

Females

10821

F45-49

10821

21M→35K

21.0 - 21.8 mi

Top 94%
×7story building
+17ft-86ft

Overall

24923

Females

10617

F45-49

10617

35K→23M

21.8 - 23.0 mi

Top 92%
×5story building
+23ft-63ft

Overall

24600

Females

10438

F45-49

10438

23M→24M

23.0 - 24.0 mi

Top 93%
×6story building
+12ft-82ft

Overall

24800

Females

10586

F45-49

10586

24M→40K

24.0 - 24.9 mi

Top 92%
×1story
+6ft-20ft

Overall

24401

Females

10393

F45-49

10393

40K→25.2M

24.9 - 25.2 mi

Top 94%
×1story
+13ft-16ft

Overall

24958

Females

10677

F45-49

10677

25.2M→Finish

25.2 - 26.2 mi

Top 94%
×2story building
+22ft-21ft

Overall

25079

Females

10708

F45-49

10708

Passing Analysis

Category:
Athletes Passed
1148
Passed By
361
Net Change
+787
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26165
5K → 10K5424+538#26165#25627
10K → 15K12956+73#25627#25554
15K → 20K12249+73#25554#25481
20K → Half282+26#25481#25455
Half → 25K6538+27#25455#25428
25K → 30K7192-21#25428#25449
30K → 20M1834-16#25449#25465
20M → 21M2629-3#25465#25468
21M → 35K2214+8#25468#25460
35K → 23M429+33#25460#25427
23M → 24M229+13#25427#25414
24M → 40K359+26#25414#25388
40K → 25.2M92+7#25388#25381
25.2M → Finish1714+3#25381#25378
TOTALS1148361+787
📊

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