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BOSTON MARATHON 2023

Fay Nykerk

Bib: 23812•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F60-64)
#0 / 527
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
8:56/mi
27:46
↑ 97↓ 3451.5%
10K· 6.21 mi
9:27/mi
57:09
↑ 79↓ 1380.4%
15K· 9.32 mi
9:30/mi
1:26:39
↑ 67↓ 78
20K· 12.43 mi
9:57/mi
1:57:33
↑ 106↓ 860.1%
Half· 13.11 mi
10:13/mi
2:04:31
↑ 19↓ 370.5%
25K· 15.53 mi
9:57/mi
2:28:39
↑ 66↓ 880.2%
30K· 18.64 mi
10:40/mi
3:01:48
↑ 181↓ 1480.2%
20M
10:47/mi
3:16:27
↑ 64↓ 500.2%
21M
11:53/mi
3:28:20
↑ 106↓ 241.6%
35K· 21.75 mi
11:08/mi
3:36:40
↑ 17↓ 861.7%
23M
11:04/mi
3:50:31
↑ 23↓ 630.6%
24M
10:37/mi
4:01:08
↓ 821.3%
40K· 24.85 mi
11:04/mi
4:10:36
↓ 200.3%
25.2M
11:59/mi
4:14:44
↑ 13↓ 160.2%
Finish· 26.22 mi
10:39/mi
4:25:35
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:04:31
Pace9:30 /mi
2nd Half
Distance13.11 mi
Time2:21:04
Pace10:46 /mi
📊Positive Split: 13.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:1927:468:5627:46
8:56
-
10K
6.21 mi11:52:4257:099:1229:23
9:27
+0:31
15K
9.32 mi12:22:121:26:399:1829:30
9:30
+0:03
20K
12.43 mi12:53:061:57:339:2830:54
9:57
+0:27
Half
13.11 mi13:00:042:04:319:306:58
10:13
+0:16
25K
15.53 mi13:24:122:28:399:3424:08
9:57
-0:16
30K
18.64 mi13:57:213:01:489:4533:09
10:40
+0:43
20M
20.00 mi14:12:003:16:279:4914:39
10:47
+0:07
21M
21.00 mi14:23:533:28:209:5511:53
11:53
+1:06
35K
21.75 mi14:32:133:36:409:588:20
11:08
-0:45
23M
23.00 mi14:46:043:50:3110:0113:51
11:04
-0:04
24M
24.00 mi14:56:414:01:0810:0310:37
10:37
-0:27
40K
24.85 mi15:06:094:10:3610:059:28
11:04
+0:27
25.2M
25.20 mi15:10:174:14:4410:074:08
11:59
+0:55
Finish
26.22 mi15:21:084:25:3510:0810:51
10:39
-1:20

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

8:56 /mi

Average Pace

10:08 /mi

Slowest Pace

11:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:28:39

56% of race

Time at Steady Pace

1:32:35

35% of race

Time at Slower Pace

24:21

9% of race

Average Pace: 10:08 /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 mi11:23:1927:468:5627:46
8:56
#20168
10K
6.21 mi11:52:4257:099:1229:23
9:27
#21386
15K
9.32 mi12:22:121:26:399:1829:30
9:30
#21679
20K
12.43 mi12:53:061:57:339:2830:54
9:57
#21983
Half
13.11 mi13:00:042:04:319:306:58
10:13
#22101
25K
15.53 mi13:24:122:28:399:3424:08
9:57
#22089
30K
18.64 mi13:57:213:01:489:4533:09
10:40
#22223
20M
20.00 mi14:12:003:16:279:4914:39
10:47
#22212
21M
21.00 mi14:23:533:28:209:5511:53
11:53
#22218
35K
21.75 mi14:32:133:36:409:588:20
11:08
#22278
23M
23.00 mi14:46:043:50:3110:0113:51
11:04
#22306
24M
24.00 mi14:56:414:01:0810:0310:37
10:37
#22306
40K
24.85 mi15:06:094:10:3610:059:28
11:04
#22308
25.2M
25.20 mi15:10:174:14:4410:074:08
11:59
#22312
Finish
26.22 mi15:21:084:25:3510:0810:51
10:39
#22353
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi201687925792522252(Top 84%)8934(Top 78%)8934(Top 1695%)
10K6.21 mi3.10 mi21386-12188523-5988523-59822394(Top 84%)9029(Top 79%)9029(Top 1713%)
15K9.32 mi3.11 mi21679-2938666-1438666-14322252(Top 84%)8934(Top 78%)8934(Top 1695%)
20K12.43 mi3.11 mi21983-3048827-1618827-16122774(Top 86%)9232(Top 81%)9232(Top 1752%)
Half13.11 mi0.68 mi22101-1188887-608887-6023688(Top 89%)9730(Top 85%)9730(Top 1846%)
25K15.53 mi2.42 mi22089+128875+128875+1222118(Top 83%)8903(Top 78%)8903(Top 1689%)
30K18.64 mi3.11 mi22223-1348959-848959-8422548(Top 85%)9211(Top 81%)9211(Top 1748%)
20M20.00 mi1.36 mi22212+118967-88967-822315(Top 84%)9151(Top 80%)9151(Top 1736%)
21M21.00 mi1.00 mi22218-68979-128979-1222566(Top 85%)9316(Top 82%)9316(Top 1768%)
35K21.75 mi0.75 mi22278-609022-439022-4323546(Top 88%)9898(Top 87%)9898(Top 1878%)
23M23.00 mi1.25 mi22306-289045-239045-2322454(Top 84%)9296(Top 81%)9296(Top 1764%)
24M24.00 mi1.00 mi223069049-49049-422277(Top 84%)9249(Top 81%)9249(Top 1755%)
40K24.85 mi0.85 mi22308-29058-99058-922511(Top 85%)9403(Top 82%)9403(Top 1784%)
25.2M25.20 mi0.35 mi22312-49063-59063-522493(Top 84%)9393(Top 82%)9393(Top 1782%)
Finish26.22 mi1.02 mi22353-419097-349097-3423325(Top 88%)9818(Top 86%)9818(Top 1863%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21story building
+97ft-345ft

Overall

22252

Females

8934

F60-64

8934

5K→10K

3.1 - 6.2 mi

Top 84%
×5story building
+79ft-138ft

Overall

22394

Females

9029

F60-64

9029

10K→15K

6.2 - 9.3 mi

Top 84%
×3story building
+67ft-78ft

Overall

22252

Females

8934

F60-64

8934

15K→20K

9.3 - 12.4 mi

Top 86%
×5story building
+106ft-86ft

Overall

22774

Females

9232

F60-64

9232

20K→Half

12.4 - 13.1 mi

Top 89%
×2story building
+19ft-37ft

Overall

23688

Females

9730

F60-64

9730

Half→25K

13.1 - 15.5 mi

Top 83%
×4story building
+66ft-88ft

Overall

22118

Females

8903

F60-64

8903

25K→30K

15.5 - 18.6 mi

Top 85%
×9story building
+181ft-148ft

Overall

22548

Females

9211

F60-64

9211

30K→20M

18.6 - 20.0 mi

Top 84%
×5story building
+64ft-50ft

Overall

22315

Females

9151

F60-64

9151

20M→21M

20.0 - 21.0 mi

Top 85%
×8story building
+106ft-24ft

Overall

22566

Females

9316

F60-64

9316

21M→35K

21.0 - 21.8 mi

Top 88%
×7story building
+17ft-86ft

Overall

23546

Females

9898

F60-64

9898

35K→23M

21.8 - 23.0 mi

Top 84%
×5story building
+23ft-63ft

Overall

22454

Females

9296

F60-64

9296

23M→24M

23.0 - 24.0 mi

Top 84%
×6story building
+12ft-82ft

Overall

22277

Females

9249

F60-64

9249

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

22511

Females

9403

F60-64

9403

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1story
+13ft-16ft

Overall

22493

Females

9393

F60-64

9393

25.2M→Finish

25.2 - 26.2 mi

Top 88%
×2story building
+22ft-21ft

Overall

23325

Females

9818

F60-64

9818

Passing Analysis

Category:
Athletes Passed
639
Passed By
2824
Net Change
-2185
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20168
5K → 10K251243-1218#20168#21386
10K → 15K72365-293#21386#21679
15K → 20K48352-304#21679#21983
20K → Half6124-118#21983#22101
Half → 25K10997+12#22101#22089
25K → 30K85219-134#22089#22223
30K → 20M7261+11#22223#22212
20M → 21M5258-6#22212#22218
21M → 35K1575-60#22218#22278
35K → 23M4876-28#22278#22306
23M → 24M35350#22306#22306
24M → 40K4042-2#22306#22308
40K → 25.2M1822-4#22308#22312
25.2M → Finish1455-41#22312#22353
TOTALS6392824-2185
📊

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