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BOSTON MARATHON 2023

Michelle Reynolds

Bib: 19735•F

WI

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
8:12/mi
25:28
↑ 97↓ 3451.5%
10K· 6.21 mi
8:00/mi
50:18
↑ 79↓ 1380.4%
15K· 9.32 mi
8:06/mi
1:15:27
↑ 67↓ 78
20K· 12.43 mi
8:15/mi
1:41:04
↑ 106↓ 860.1%
Half· 13.11 mi
8:04/mi
1:46:34
↑ 19↓ 370.5%
25K· 15.53 mi
8:30/mi
2:07:10
↑ 66↓ 880.2%
30K· 18.64 mi
9:09/mi
2:35:37
↑ 181↓ 1480.2%
20M
9:42/mi
2:48:48
↑ 64↓ 500.2%
21M
11:00/mi
2:59:48
↑ 106↓ 241.6%
35K· 21.75 mi
9:40/mi
3:07:02
↑ 17↓ 861.7%
23M
10:31/mi
3:20:12
↑ 23↓ 630.6%
24M
10:17/mi
3:30:29
↓ 821.3%
40K· 24.85 mi
11:09/mi
3:40:01
↓ 200.3%
25.2M
11:45/mi
3:44:04
↑ 13↓ 160.2%
Finish· 26.22 mi
9:41/mi
3:53:56
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:34
Pace8:08 /mi
2nd Half
Distance13.11 mi
Time2:07:22
Pace9:43 /mi
📊Positive Split: 19.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:1925:288:1225:28
8:12
-
10K
6.21 mi11:42:0950:188:0624:50
8:00
-0:12
15K
9.32 mi12:07:181:15:278:0625:09
8:06
+0:06
20K
12.43 mi12:32:551:41:048:0825:37
8:15
+0:09
Half
13.11 mi12:38:251:46:348:085:30
8:04
-0:11
25K
15.53 mi12:59:012:07:108:1120:36
8:30
+0:26
30K
18.64 mi13:27:282:35:378:2128:27
9:09
+0:39
20M
20.00 mi13:40:392:48:488:2613:11
9:42
+0:33
21M
21.00 mi13:51:392:59:488:3411:00
11:00
+1:18
35K
21.75 mi13:58:533:07:028:367:14
9:40
-1:20
23M
23.00 mi14:12:033:20:128:4213:10
10:31
+0:51
24M
24.00 mi14:22:203:30:298:4610:17
10:17
-0:14
40K
24.85 mi14:31:523:40:018:519:32
11:09
+0:52
25.2M
25.20 mi14:35:553:44:048:534:03
11:45
+0:36
Finish
26.22 mi14:45:473:53:568:569:52
9:41
-2:04

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

8:00 /mi

Average Pace

8:56 /mi

Slowest Pace

11:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:07:10

54% of race

Time at Steady Pace

58:44

25% of race

Time at Slower Pace

48:02

21% of race

Average Pace: 8:55 /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 mi11:17:1925:288:1225:28
8:12
#15475
10K
6.21 mi11:42:0950:188:0624:50
8:00
#15090
15K
9.32 mi12:07:181:15:278:0625:09
8:06
#15098
20K
12.43 mi12:32:551:41:048:0825:37
8:15
#15119
Half
13.11 mi12:38:251:46:348:085:30
8:04
#15093
25K
15.53 mi12:59:012:07:108:1120:36
8:30
#15259
30K
18.64 mi13:27:282:35:378:2128:27
9:09
#15804
20M
20.00 mi13:40:392:48:488:2613:11
9:42
#16165
21M
21.00 mi13:51:392:59:488:3411:00
11:00
#16564
35K
21.75 mi13:58:533:07:028:367:14
9:40
#16749
23M
23.00 mi14:12:033:20:128:4213:10
10:31
#17201
24M
24.00 mi14:22:203:30:298:4610:17
10:17
#17525
40K
24.85 mi14:31:523:40:018:519:32
11:09
#17906
25.2M
25.20 mi14:35:553:44:048:534:03
11:45
#18029
Finish
26.22 mi14:45:473:53:568:569:52
9:41
#18162
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi154754950495015147(Top 57%)4766(Top 42%)4766(Top 254%)
10K6.21 mi3.10 mi15090+3854705+2454705+24514782(Top 56%)4535(Top 40%)4535(Top 241%)
15K9.32 mi3.11 mi15098-84727-224727-2215147(Top 57%)4766(Top 42%)4766(Top 254%)
20K12.43 mi3.11 mi15119-214762-354762-3515256(Top 57%)4874(Top 43%)4874(Top 260%)
Half13.11 mi0.68 mi15093+264743+194743+1914956(Top 56%)4676(Top 41%)4676(Top 249%)
25K15.53 mi2.42 mi15259-1664873-1304873-13016198(Top 61%)5564(Top 49%)5564(Top 296%)
30K18.64 mi3.11 mi15804-5455256-3835256-38317976(Top 68%)6636(Top 58%)6636(Top 353%)
20M20.00 mi1.36 mi16165-3615496-2405496-24019560(Top 73%)7608(Top 67%)7608(Top 405%)
21M21.00 mi1.00 mi16564-3995743-2475743-24720831(Top 78%)8367(Top 73%)8367(Top 446%)
35K21.75 mi0.75 mi16749-1855850-1075850-10720375(Top 77%)8149(Top 71%)8149(Top 434%)
23M23.00 mi1.25 mi17201-4526136-2866136-28621354(Top 80%)8709(Top 76%)8709(Top 464%)
24M24.00 mi1.00 mi17525-3246345-2096345-20921524(Top 81%)8856(Top 78%)8856(Top 472%)
40K24.85 mi0.85 mi17906-3816579-2346579-23422648(Top 85%)9473(Top 83%)9473(Top 504%)
25.2M25.20 mi0.35 mi18029-1236661-826661-8222052(Top 83%)9147(Top 80%)9147(Top 487%)
Finish26.22 mi1.02 mi18162-1336744-836744-8320740(Top 78%)8425(Top 74%)8425(Top 449%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21story building
+97ft-345ft

Overall

15147

Females

4766

F40-44

4766

5K→10K

3.1 - 6.2 mi

Top 56%
×5story building
+79ft-138ft

Overall

14782

Females

4535

F40-44

4535

10K→15K

6.2 - 9.3 mi

Top 57%
×3story building
+67ft-78ft

Overall

15147

Females

4766

F40-44

4766

15K→20K

9.3 - 12.4 mi

Top 57%
×5story building
+106ft-86ft

Overall

15256

Females

4874

F40-44

4874

20K→Half

12.4 - 13.1 mi

Top 56%
×2story building
+19ft-37ft

Overall

14956

Females

4676

F40-44

4676

Half→25K

13.1 - 15.5 mi

Top 61%
×4story building
+66ft-88ft

Overall

16198

Females

5564

F40-44

5564

25K→30K

15.5 - 18.6 mi

Top 68%
×9story building
+181ft-148ft

Overall

17976

Females

6636

F40-44

6636

30K→20M

18.6 - 20.0 mi

Top 73%
×5story building
+64ft-50ft

Overall

19560

Females

7608

F40-44

7608

20M→21M

20.0 - 21.0 mi

Top 78%
×8story building
+106ft-24ft

Overall

20831

Females

8367

F40-44

8367

21M→35K

21.0 - 21.8 mi

Top 77%
×7story building
+17ft-86ft

Overall

20375

Females

8149

F40-44

8149

35K→23M

21.8 - 23.0 mi

Top 80%
×5story building
+23ft-63ft

Overall

21354

Females

8709

F40-44

8709

23M→24M

23.0 - 24.0 mi

Top 81%
×6story building
+12ft-82ft

Overall

21524

Females

8856

F40-44

8856

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

22648

Females

9473

F40-44

9473

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

22052

Females

9147

F40-44

9147

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2story building
+22ft-21ft

Overall

20740

Females

8425

F40-44

8425

Passing Analysis

Category:
Athletes Passed
1208
Passed By
3895
Net Change
-2687
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15475
5K → 10K548163+385#15475#15090
10K → 15K176184-8#15090#15098
15K → 20K177198-21#15098#15119
20K → Half4923+26#15119#15093
Half → 25K85251-166#15093#15259
25K → 30K55600-545#15259#15804
30K → 20M24385-361#15804#16165
20M → 21M21420-399#16165#16564
21M → 35K12197-185#16564#16749
35K → 23M18470-452#16749#17201
23M → 24M15339-324#17201#17525
24M → 40K6387-381#17525#17906
40K → 25.2M4127-123#17906#18029
25.2M → Finish18151-133#18029#18162
TOTALS12083895-2687
📊

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