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BOSTON MARATHON 2023

Nicki Fleming

Bib: 26771•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F40-44)
#0 / 1878
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
9:17/mi
28:52
↑ 97↓ 3451.5%
10K· 6.21 mi
8:16/mi
54:34
↑ 79↓ 1380.4%
15K· 9.32 mi
8:34/mi
1:21:12
↑ 67↓ 78
20K· 12.43 mi
8:37/mi
1:47:58
↑ 106↓ 860.1%
Half· 13.11 mi
8:36/mi
1:53:50
↑ 19↓ 370.5%
25K· 15.53 mi
9:24/mi
2:16:37
↑ 66↓ 880.2%
30K· 18.64 mi
9:26/mi
2:45:56
↑ 181↓ 1480.2%
20M
9:48/mi
2:59:15
↑ 64↓ 500.2%
21M
10:39/mi
3:09:54
↑ 106↓ 241.6%
35K· 21.75 mi
9:33/mi
3:17:03
↑ 17↓ 861.7%
23M
10:16/mi
3:29:54
↑ 23↓ 630.6%
24M
9:52/mi
3:39:46
↓ 821.3%
40K· 24.85 mi
10:29/mi
3:48:44
↓ 200.3%
25.2M
11:13/mi
3:52:36
↑ 13↓ 160.2%
Finish· 26.22 mi
9:53/mi
4:02:40
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:50
Pace8:41 /mi
2nd Half
Distance13.11 mi
Time2:08:50
Pace9:50 /mi
📊Positive Split: 13.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:2828:529:1728:52
9:17
-
10K
6.21 mi12:15:1054:348:4725:42
8:16
-1:01
15K
9.32 mi12:41:481:21:128:4326:38
8:34
+0:18
20K
12.43 mi13:08:341:47:588:4126:46
8:37
+0:03
Half
13.11 mi13:14:261:53:508:415:52
8:36
-0:01
25K
15.53 mi13:37:132:16:378:4822:47
9:24
+0:48
30K
18.64 mi14:06:322:45:568:5429:19
9:26
+0:02
20M
20.00 mi14:19:512:59:158:5813:19
9:48
+0:22
21M
21.00 mi14:30:303:09:549:0310:39
10:39
+0:51
35K
21.75 mi14:37:393:17:039:047:09
9:33
-1:06
23M
23.00 mi14:50:303:29:549:0812:51
10:16
+0:43
24M
24.00 mi15:00:223:39:469:099:52
9:52
-0:24
40K
24.85 mi15:09:203:48:449:128:58
10:29
+0:37
25.2M
25.20 mi15:13:123:52:369:143:52
11:13
+0:44
Finish
26.22 mi15:23:164:02:409:1610:04
9:53
-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

8:16 /mi

Average Pace

9:16 /mi

Slowest Pace

11:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:24:58

35% of race

Time at Steady Pace

2:01:22

50% of race

Time at Slower Pace

36:20

15% of race

Average Pace: 9:15 /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 mi11:49:2828:529:1728:52
9:17
#21508
10K
6.21 mi12:15:1054:348:4725:42
8:16
#19591
15K
9.32 mi12:41:481:21:128:4326:38
8:34
#19116
20K
12.43 mi13:08:341:47:588:4126:46
8:37
#18731
Half
13.11 mi13:14:261:53:508:415:52
8:36
#18715
25K
15.53 mi13:37:132:16:378:4822:47
9:24
#19053
30K
18.64 mi14:06:322:45:568:5429:19
9:26
#19118
20M
20.00 mi14:19:512:59:158:5813:19
9:48
#19186
21M
21.00 mi14:30:303:09:549:0310:39
10:39
#19251
35K
21.75 mi14:37:393:17:039:047:09
9:33
#19297
23M
23.00 mi14:50:303:29:549:0812:51
10:16
#19430
24M
24.00 mi15:00:223:39:469:099:52
9:52
#19493
40K
24.85 mi15:09:203:48:449:128:58
10:29
#19590
25.2M
25.20 mi15:13:123:52:369:143:52
11:13
#19622
Finish
26.22 mi15:23:164:02:409:1610:04
9:53
#19715
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi215088636863618290(Top 69%)6672(Top 58%)6672(Top 355%)
10K6.21 mi3.10 mi19591+19177526+11107526+111016754(Top 63%)5726(Top 50%)5726(Top 305%)
15K9.32 mi3.11 mi19116+4757202+3247202+32418290(Top 69%)6672(Top 58%)6672(Top 355%)
20K12.43 mi3.11 mi18731+3856955+2476955+24717612(Top 66%)6300(Top 55%)6300(Top 335%)
Half13.11 mi0.68 mi18715+166945+106945+1018393(Top 69%)6728(Top 59%)6728(Top 358%)
25K15.53 mi2.42 mi19053-3387149-2047149-20420508(Top 77%)7989(Top 70%)7989(Top 425%)
30K18.64 mi3.11 mi19118-657208-597208-5919210(Top 72%)7311(Top 64%)7311(Top 389%)
20M20.00 mi1.36 mi19186-687260-527260-5219860(Top 75%)7779(Top 68%)7779(Top 414%)
21M21.00 mi1.00 mi19251-657313-537313-5320018(Top 75%)7941(Top 70%)7941(Top 423%)
35K21.75 mi0.75 mi19297-467347-347347-3420038(Top 75%)7953(Top 70%)7953(Top 423%)
23M23.00 mi1.25 mi19430-1337424-777424-7720749(Top 78%)8371(Top 73%)8371(Top 446%)
24M24.00 mi1.00 mi19493-637480-567480-5620423(Top 77%)8216(Top 72%)8216(Top 437%)
40K24.85 mi0.85 mi19590-977538-587538-5821185(Top 80%)8713(Top 76%)8713(Top 464%)
25.2M25.20 mi0.35 mi19622-327565-277565-2720954(Top 79%)8560(Top 75%)8560(Top 456%)
Finish26.22 mi1.02 mi19715-937623-587623-5821413(Top 80%)8788(Top 77%)8788(Top 468%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21story building
+97ft-345ft

Overall

18290

Females

6672

F40-44

6672

5K→10K

3.1 - 6.2 mi

Top 63%
×5story building
+79ft-138ft

Overall

16754

Females

5726

F40-44

5726

10K→15K

6.2 - 9.3 mi

Top 69%
×3story building
+67ft-78ft

Overall

18290

Females

6672

F40-44

6672

15K→20K

9.3 - 12.4 mi

Top 66%
×5story building
+106ft-86ft

Overall

17612

Females

6300

F40-44

6300

20K→Half

12.4 - 13.1 mi

Top 69%
×2story building
+19ft-37ft

Overall

18393

Females

6728

F40-44

6728

Half→25K

13.1 - 15.5 mi

Top 77%
×4story building
+66ft-88ft

Overall

20508

Females

7989

F40-44

7989

25K→30K

15.5 - 18.6 mi

Top 72%
×9story building
+181ft-148ft

Overall

19210

Females

7311

F40-44

7311

30K→20M

18.6 - 20.0 mi

Top 75%
×5story building
+64ft-50ft

Overall

19860

Females

7779

F40-44

7779

20M→21M

20.0 - 21.0 mi

Top 75%
×8story building
+106ft-24ft

Overall

20018

Females

7941

F40-44

7941

21M→35K

21.0 - 21.8 mi

Top 75%
×7story building
+17ft-86ft

Overall

20038

Females

7953

F40-44

7953

35K→23M

21.8 - 23.0 mi

Top 78%
×5story building
+23ft-63ft

Overall

20749

Females

8371

F40-44

8371

23M→24M

23.0 - 24.0 mi

Top 77%
×6story building
+12ft-82ft

Overall

20423

Females

8216

F40-44

8216

24M→40K

24.0 - 24.9 mi

Top 80%
×1story
+6ft-20ft

Overall

21185

Females

8713

F40-44

8713

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

20954

Females

8560

F40-44

8560

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2story building
+22ft-21ft

Overall

21413

Females

8788

F40-44

8788

Passing Analysis

Category:
Athletes Passed
3375
Passed By
1582
Net Change
+1793
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21508
5K → 10K19225+1917#21508#19591
10K → 15K52449+475#19591#19116
15K → 20K41025+385#19116#18731
20K → Half3418+16#18731#18715
Half → 25K50388-338#18715#19053
25K → 30K143208-65#19053#19118
30K → 20M65133-68#19118#19186
20M → 21M58123-65#19186#19251
21M → 35K2773-46#19251#19297
35K → 23M46179-133#19297#19430
23M → 24M41104-63#19430#19493
24M → 40K20117-97#19493#19590
40K → 25.2M2254-32#19590#19622
25.2M → Finish13106-93#19622#19715
TOTALS33751582+1793
📊

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