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BOSTON MARATHON 2023

Nina Reid

Bib: 22591•F

AB

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F50-54)
#0 / 1207
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:46
Rank: #20165
Start → 5K
27:46 | 8:56/mi
10K· 6.21 mi
56:29
Rank: #21017 (-852)
5K → 10K
28:43 | 9:15/mi
15K· 9.32 mi
1:28:07
Rank: #22162 (-1145)
10K → 15K
31:38 | 10:11/mi
20K· 12.43 mi
1:58:17
Rank: #22171 (-9)
15K → 20K
30:10 | 9:43/mi
Half· 13.11 mi
2:04:32
Rank: #22105 (+66)
20K → Half
6:15 | 9:10/mi
25K· 15.53 mi
2:27:59
Rank: #21961 (+144)
Half → 25K
23:27 | 9:40/mi
30K· 18.64 mi
2:59:40
Rank: #21886 (+75)
25K → 30K
31:41 | 10:12/mi
20M
3:13:31
Rank: #21804 (+82)
30K → 20M
13:51 | 10:12/mi
21M
3:24:33
Rank: #21767 (+37)
20M → 21M
11:02 | 11:02/mi
35K· 21.75 mi
3:32:02
Rank: #21755 (+12)
21M → 35K
7:29 | 10:00/mi
23M
3:44:35
Rank: #21640 (+115)
35K → 23M
12:33 | 10:01/mi
24M
3:54:18
Rank: #21568 (+72)
23M → 24M
9:43 | 9:43/mi
40K· 24.85 mi
4:02:47
Rank: #21500 (+68)
24M → 40K
8:29 | 9:55/mi
25.2M
4:06:18
Rank: #21455 (+45)
40K → 25.2M
3:31 | 10:12/mi
Finish· 26.22 mi
4:15:55
Rank: #21375 (+80)
25.2M → Finish
9:37 | 9:26/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:04:32
Pace9:30 /mi
2nd Half
Distance13.11 mi
Time2:11:23
Pace10:01 /mi
📊Positive Split: 5.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:5927:468:5627:46
8:56
-
10K
6.21 mi11:53:4256:299:0528:43
9:15
+0:19
15K
9.32 mi12:25:201:28:079:2731:38
10:11
+0:56
20K
12.43 mi12:55:301:58:179:3130:10
9:43
-0:28
Half
13.11 mi13:01:452:04:329:306:15
9:10
-0:33
25K
15.53 mi13:25:122:27:599:3223:27
9:40
+0:30
30K
18.64 mi13:56:532:59:409:3831:41
10:12
+0:32
20M
20.00 mi14:10:443:13:319:4113:51
10:12
0:00
21M
21.00 mi14:21:463:24:339:4411:02
11:02
+0:50
35K
21.75 mi14:29:153:32:029:457:29
10:00
-1:02
23M
23.00 mi14:41:483:44:359:4612:33
10:01
+0:01
24M
24.00 mi14:51:313:54:189:469:43
9:43
-0:18
40K
24.85 mi15:00:004:02:479:468:29
9:55
+0:12
25.2M
25.20 mi15:03:314:06:189:463:31
10:12
+0:17
Finish
26.22 mi15:13:084:15:559:469:37
9:26
-0:46

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

9:46 /mi

Slowest Pace

11:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:12:21

28% of race

Time at Steady Pace

1:31:51

36% of race

Time at Slower Pace

1:31:43

36% of race

Average Pace: 9:46 /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 mi11:24:5927:468:5627:46
8:56
#20165
10K
6.21 mi11:53:4256:299:0528:43
9:15
#21017
15K
9.32 mi12:25:201:28:079:2731:38
10:11
#22162
20K
12.43 mi12:55:301:58:179:3130:10
9:43
#22171
Half
13.11 mi13:01:452:04:329:306:15
9:10
#22105
25K
15.53 mi13:25:122:27:599:3223:27
9:40
#21961
30K
18.64 mi13:56:532:59:409:3831:41
10:12
#21886
20M
20.00 mi14:10:443:13:319:4113:51
10:12
#21804
21M
21.00 mi14:21:463:24:339:4411:02
11:02
#21767
35K
21.75 mi14:29:153:32:029:457:29
10:00
#21755
23M
23.00 mi14:41:483:44:359:4612:33
10:01
#21640
24M
24.00 mi14:51:313:54:189:469:43
9:43
#21568
40K
24.85 mi15:00:004:02:479:468:29
9:55
#21500
25.2M
25.20 mi15:03:314:06:189:463:31
10:12
#21455
Finish
26.22 mi15:13:084:15:559:469:37
9:26
#21375
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi201657922792223833(Top 90%)9803(Top 86%)9803(Top 812%)
10K6.21 mi3.10 mi21017-8528332-4108332-41021761(Top 82%)8693(Top 76%)8693(Top 720%)
15K9.32 mi3.11 mi22162-11458918-5868918-58623833(Top 90%)9803(Top 86%)9803(Top 812%)
20K12.43 mi3.11 mi22171-98920-28920-222195(Top 83%)8907(Top 78%)8907(Top 738%)
Half13.11 mi0.68 mi22105+668888+328888+3221066(Top 79%)8290(Top 73%)8290(Top 687%)
25K15.53 mi2.42 mi21961+1448803+858803+8521370(Top 80%)8483(Top 74%)8483(Top 703%)
30K18.64 mi3.11 mi21886+758770+338770+3321522(Top 81%)8643(Top 76%)8643(Top 716%)
20M20.00 mi1.36 mi21804+828733+378733+3720992(Top 79%)8411(Top 74%)8411(Top 697%)
21M21.00 mi1.00 mi21767+378724+98724+920905(Top 79%)8404(Top 74%)8404(Top 696%)
35K21.75 mi0.75 mi21755+128728-48728-421291(Top 80%)8648(Top 76%)8648(Top 716%)
23M23.00 mi1.25 mi21640+1158681+478681+4720071(Top 75%)7998(Top 70%)7998(Top 663%)
24M24.00 mi1.00 mi21568+728651+308651+3019972(Top 75%)7962(Top 70%)7962(Top 660%)
40K24.85 mi0.85 mi21500+688623+288623+2819774(Top 74%)7938(Top 69%)7938(Top 658%)
25.2M25.20 mi0.35 mi21455+458606+178606+1718193(Top 68%)7073(Top 62%)7073(Top 586%)
Finish26.22 mi1.02 mi21375+808572+348572+3419925(Top 75%)7958(Top 70%)7958(Top 659%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×21stories
+97ft-345ft

Overall

23833

Females

9803

F50-54

9803

5K→10K

3.1 - 6.2 mi

Top 82%
×5stories
+79ft-138ft

Overall

21761

Females

8693

F50-54

8693

10K→15K

6.2 - 9.3 mi

Top 90%
×3stories
+67ft-78ft

Overall

23833

Females

9803

F50-54

9803

15K→20K

9.3 - 12.4 mi

Top 83%
×5stories
+106ft-86ft

Overall

22195

Females

8907

F50-54

8907

20K→Half

12.4 - 13.1 mi

Top 79%
×2stories
+19ft-37ft

Overall

21066

Females

8290

F50-54

8290

Half→25K

13.1 - 15.5 mi

Top 80%
×4stories
+66ft-88ft

Overall

21370

Females

8483

F50-54

8483

25K→30K

15.5 - 18.6 mi

Top 81%
×9stories
+181ft-148ft

Overall

21522

Females

8643

F50-54

8643

30K→20M

18.6 - 20.0 mi

Top 79%
×5stories
+64ft-50ft

Overall

20992

Females

8411

F50-54

8411

20M→21M

20.0 - 21.0 mi

Top 79%
×8stories
+106ft-24ft

Overall

20905

Females

8404

F50-54

8404

21M→35K

21.0 - 21.8 mi

Top 80%
×7stories
+17ft-86ft

Overall

21291

Females

8648

F50-54

8648

35K→23M

21.8 - 23.0 mi

Top 75%
×5stories
+23ft-63ft

Overall

20071

Females

7998

F50-54

7998

23M→24M

23.0 - 24.0 mi

Top 75%
×6stories
+12ft-82ft

Overall

19972

Females

7962

F50-54

7962

24M→40K

24.0 - 24.9 mi

Top 74%
×1story
+6ft-20ft

Overall

19774

Females

7938

F50-54

7938

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

18193

Females

7073

F50-54

7073

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2stories
+22ft-21ft

Overall

19925

Females

7958

F50-54

7958

Passing Analysis

Category:
Athletes Passed
1254
Passed By
2464
Net Change
-1210
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20165
5K → 10K52904-852#20165#21017
10K → 15K71152-1145#21017#22162
15K → 20K134143-9#22162#22171
20K → Half693+66#22171#22105
Half → 25K17329+144#22105#21961
25K → 30K17297+75#21961#21886
30K → 20M10826+82#21886#21804
20M → 21M7235+37#21804#21767
21M → 35K3927+12#21767#21755
35K → 23M1249+115#21755#21640
23M → 24M8513+72#21640#21568
24M → 40K7810+68#21568#21500
40K → 25.2M472+45#21500#21455
25.2M → Finish9414+80#21455#21375
TOTALS12542464-1210
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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