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BOSTON MARATHON 2023

Anntriniece Napper

Bib: 25122•F

TN

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
11:00/mi
34:11
↑ 97↓ 3451.5%
10K· 6.21 mi
11:26/mi
1:09:43
↑ 79↓ 1380.4%
15K· 9.32 mi
12:05/mi
1:47:16
↑ 67↓ 78
20K· 12.43 mi
13:10/mi
2:28:09
↑ 106↓ 860.1%
Half· 13.11 mi
13:41/mi
2:37:29
↑ 19↓ 370.5%
25K· 15.53 mi
13:58/mi
3:11:20
↑ 66↓ 880.2%
30K· 18.64 mi
14:18/mi
3:55:46
↑ 181↓ 1480.2%
20M
14:52/mi
4:15:58
↑ 64↓ 500.2%
21M
15:35/mi
4:31:33
↑ 106↓ 241.6%
35K· 21.75 mi
14:15/mi
4:42:13
↑ 17↓ 861.7%
23M
14:31/mi
5:00:24
↑ 23↓ 630.6%
24M
14:11/mi
5:14:35
↓ 821.3%
40K· 24.85 mi
14:01/mi
5:26:34
↓ 200.3%
25.2M
14:04/mi
5:31:25
↑ 13↓ 160.2%
Finish· 26.22 mi
12:42/mi
5:44:22
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:37:29
Pace12:01 /mi
2nd Half
Distance13.11 mi
Time3:06:53
Pace14:15 /mi
📊Positive Split: 18.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:5734:1111:0034:11
11:00
-
10K
6.21 mi12:25:291:09:4311:1335:32
11:26
+0:26
15K
9.32 mi13:03:021:47:1611:3137:33
12:05
+0:39
20K
12.43 mi13:43:552:28:0911:5540:53
13:10
+1:05
Half
13.11 mi13:53:152:37:2912:019:20
13:41
+0:31
25K
15.53 mi14:27:063:11:2012:1933:51
13:58
+0:17
30K
18.64 mi15:11:323:55:4612:3944:26
14:18
+0:20
20M
20.00 mi15:31:444:15:5812:4820:12
14:52
+0:34
21M
21.00 mi15:47:194:31:3312:5615:35
15:35
+0:43
35K
21.75 mi15:57:594:42:1312:5910:40
14:15
-1:20
23M
23.00 mi16:16:105:00:2413:0418:11
14:31
+0:16
24M
24.00 mi16:30:215:14:3513:0614:11
14:11
-0:20
40K
24.85 mi16:42:205:26:3413:0811:59
14:01
-0:10
25.2M
25.20 mi16:47:115:31:2513:094:51
14:04
+0:03
Finish
26.22 mi17:00:085:44:2213:0912:57
12:42
-1:22

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

11:00 /mi

Average Pace

13:09 /mi

Slowest Pace

15:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:41:06

47% of race

Time at Steady Pace

2:27:29

43% of race

Time at Slower Pace

35:47

10% of race

Average Pace: 13:08 /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 mi11:49:5734:1111:0034:11
11:00
#25682
10K
6.21 mi12:25:291:09:4311:1335:32
11:26
#25839
15K
9.32 mi13:03:021:47:1611:3137:33
12:05
#25982
20K
12.43 mi13:43:552:28:0911:5540:53
13:10
#26109
Half
13.11 mi13:53:152:37:2912:019:20
13:41
#26155
25K
15.53 mi14:27:063:11:2012:1933:51
13:58
#26214
30K
18.64 mi15:11:323:55:4612:3944:26
14:18
#26212
20M
20.00 mi15:31:444:15:5812:4820:12
14:52
#26224
21M
21.00 mi15:47:194:31:3312:5615:35
15:35
#26229
35K
21.75 mi15:57:594:42:1312:5910:40
14:15
#26236
23M
23.00 mi16:16:105:00:2413:0418:11
14:31
#26240
24M
24.00 mi16:30:215:14:3513:0614:11
14:11
#26251
40K
24.85 mi16:42:205:26:3413:0811:59
14:01
#26244
25.2M
25.20 mi16:47:115:31:2513:094:51
14:04
#26236
Finish
26.22 mi17:00:085:44:2213:0912:57
12:42
#26234
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi25682108401084026113(Top 98%)11110(Top 97%)11110(Top 611%)
10K6.21 mi3.10 mi25839-15710943-10310943-10325912(Top 97%)10987(Top 96%)10987(Top 605%)
15K9.32 mi3.11 mi25982-14311029-8611029-8626113(Top 98%)11110(Top 97%)11110(Top 611%)
20K12.43 mi3.11 mi26109-12711112-8311112-8326302(Top 99%)11235(Top 98%)11235(Top 618%)
Half13.11 mi0.68 mi26155-4611138-2611138-2626490(Top 100%)11361(Top 99%)11361(Top 625%)
25K15.53 mi2.42 mi26214-5911174-3611174-3626328(Top 99%)11260(Top 99%)11260(Top 620%)
30K18.64 mi3.11 mi26212+211175-111175-126172(Top 98%)11181(Top 98%)11181(Top 615%)
20M20.00 mi1.36 mi26224-1211189-1411189-1426247(Top 99%)11254(Top 99%)11254(Top 619%)
21M21.00 mi1.00 mi26229-511197-811197-826061(Top 98%)11148(Top 98%)11148(Top 614%)
35K21.75 mi0.75 mi26236-711205-811205-826220(Top 98%)11236(Top 98%)11236(Top 618%)
23M23.00 mi1.25 mi26240-411210-511210-526132(Top 98%)11201(Top 98%)11201(Top 616%)
24M24.00 mi1.00 mi26251-1111218-811218-826144(Top 98%)11231(Top 98%)11231(Top 618%)
40K24.85 mi0.85 mi26244+711211+711211+725698(Top 97%)11024(Top 97%)11024(Top 607%)
25.2M25.20 mi0.35 mi26236+811206+511206+525064(Top 94%)10732(Top 94%)10732(Top 591%)
Finish26.22 mi1.02 mi26234+211208-211208-225800(Top 97%)11074(Top 97%)11074(Top 609%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 98%
×21story building
+97ft-345ft

Overall

26113

Females

11110

F45-49

11110

5K→10K

3.1 - 6.2 mi

Top 97%
×5story building
+79ft-138ft

Overall

25912

Females

10987

F45-49

10987

10K→15K

6.2 - 9.3 mi

Top 98%
×3story building
+67ft-78ft

Overall

26113

Females

11110

F45-49

11110

15K→20K

9.3 - 12.4 mi

Top 99%
×5story building
+106ft-86ft

Overall

26302

Females

11235

F45-49

11235

20K→Half

12.4 - 13.1 mi

Top 100%
×2story building
+19ft-37ft

Overall

26490

Females

11361

F45-49

11361

Half→25K

13.1 - 15.5 mi

Top 99%
×4story building
+66ft-88ft

Overall

26328

Females

11260

F45-49

11260

25K→30K

15.5 - 18.6 mi

Top 98%
×9story building
+181ft-148ft

Overall

26172

Females

11181

F45-49

11181

30K→20M

18.6 - 20.0 mi

Top 99%
×5story building
+64ft-50ft

Overall

26247

Females

11254

F45-49

11254

20M→21M

20.0 - 21.0 mi

Top 98%
×8story building
+106ft-24ft

Overall

26061

Females

11148

F45-49

11148

21M→35K

21.0 - 21.8 mi

Top 98%
×7story building
+17ft-86ft

Overall

26220

Females

11236

F45-49

11236

35K→23M

21.8 - 23.0 mi

Top 98%
×5story building
+23ft-63ft

Overall

26132

Females

11201

F45-49

11201

23M→24M

23.0 - 24.0 mi

Top 98%
×6story building
+12ft-82ft

Overall

26144

Females

11231

F45-49

11231

24M→40K

24.0 - 24.9 mi

Top 97%
×1story
+6ft-20ft

Overall

25698

Females

11024

F45-49

11024

40K→25.2M

24.9 - 25.2 mi

Top 94%
×1story
+13ft-16ft

Overall

25064

Females

10732

F45-49

10732

25.2M→Finish

25.2 - 26.2 mi

Top 97%
×2story building
+22ft-21ft

Overall

25800

Females

11074

F45-49

11074

Passing Analysis

Category:
Athletes Passed
248
Passed By
800
Net Change
-552
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25682
5K → 10K65222-157#25682#25839
10K → 15K33176-143#25839#25982
15K → 20K10137-127#25982#26109
20K → Half046-46#26109#26155
Half → 25K867-59#26155#26214
25K → 30K4341+2#26214#26212
30K → 20M1325-12#26212#26224
20M → 21M1419-5#26224#26229
21M → 35K1118-7#26229#26236
35K → 23M1317-4#26236#26240
23M → 24M718-11#26240#26251
24M → 40K125+7#26251#26244
40K → 25.2M102+8#26244#26236
25.2M → Finish97+2#26236#26234
TOTALS248800-552
📊

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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Questions or issues regarding timing data?

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing