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BOSTON MARATHON 2023

Rachel Fox

Bib: 10061•F

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 26%
Gender (Female)
#0 / 11423
Top 8%
Masters (Masters Women)
#0 / 6539
Top 3%
Division (F45-49)
#0 / 1817
Top 3%
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
7:07/mi
22:06
↑ 97↓ 3451.5%
10K· 6.21 mi
6:59/mi
43:49
↑ 79↓ 1380.4%
15K· 9.32 mi
7:08/mi
1:05:59
↑ 67↓ 78
20K· 12.43 mi
7:13/mi
1:28:24
↑ 106↓ 860.1%
Half· 13.11 mi
7:08/mi
1:33:16
↑ 19↓ 370.5%
25K· 15.53 mi
7:16/mi
1:50:53
↑ 66↓ 880.2%
30K· 18.64 mi
7:36/mi
2:14:29
↑ 181↓ 1480.2%
20M
7:40/mi
2:24:54
↑ 64↓ 500.2%
21M
8:02/mi
2:32:56
↑ 106↓ 241.6%
35K· 21.75 mi
7:14/mi
2:38:21
↑ 17↓ 861.7%
23M
7:37/mi
2:47:53
↑ 23↓ 630.6%
24M
7:23/mi
2:55:16
↓ 821.3%
40K· 24.85 mi
7:33/mi
3:01:43
↓ 200.3%
25.2M
8:04/mi
3:04:30
↑ 13↓ 160.2%
Finish· 26.22 mi
7:19/mi
3:11:57
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:16
Pace7:07 /mi
2nd Half
Distance13.11 mi
Time1:38:41
Pace7:32 /mi
📊Positive Split: 5.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:4222:067:0722:06
7:07
-
10K
6.21 mi11:10:2543:497:0321:43
6:59
-0:08
15K
9.32 mi11:32:351:05:597:0522:10
7:08
+0:09
20K
12.43 mi11:55:001:28:247:0722:25
7:13
+0:05
Half
13.11 mi11:59:521:33:167:074:52
7:08
-0:05
25K
15.53 mi12:17:291:50:537:0817:37
7:16
+0:08
30K
18.64 mi12:41:052:14:297:1323:36
7:36
+0:20
20M
20.00 mi12:51:302:24:547:1510:25
7:40
+0:04
21M
21.00 mi12:59:322:32:567:178:02
8:02
+0:22
35K
21.75 mi13:04:572:38:217:175:25
7:14
-0:48
23M
23.00 mi13:14:292:47:537:189:32
7:37
+0:23
24M
24.00 mi13:21:522:55:167:187:23
7:23
-0:14
40K
24.85 mi13:28:193:01:437:196:27
7:33
+0:10
25.2M
25.20 mi13:31:063:04:307:192:47
8:04
+0:31
Finish
26.22 mi13:38:333:11:577:207:27
7:19
-0:45

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

6:59 /mi

Average Pace

7:20 /mi

Slowest Pace

8:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:01:08

94% of race

Time at Steady Pace

10:49

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:19 /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 mi10:48:4222:067:0722:06
7:07
#6967
10K
6.21 mi11:10:2543:497:0321:43
6:59
#6818
15K
9.32 mi11:32:351:05:597:0522:10
7:08
#6979
20K
12.43 mi11:55:001:28:247:0722:25
7:13
#7017
Half
13.11 mi11:59:521:33:167:074:52
7:08
#7024
25K
15.53 mi12:17:291:50:537:0817:37
7:16
#6994
30K
18.64 mi12:41:052:14:297:1323:36
7:36
#7074
20M
20.00 mi12:51:302:24:547:1510:25
7:40
#7084
21M
21.00 mi12:59:322:32:567:178:02
8:02
#7065
35K
21.75 mi13:04:572:38:217:175:25
7:14
#7035
23M
23.00 mi13:14:292:47:537:189:32
7:37
#6994
24M
24.00 mi13:21:522:55:167:187:23
7:23
#6967
40K
24.85 mi13:28:193:01:437:196:27
7:33
#6931
25.2M
25.20 mi13:31:063:04:307:192:47
8:04
#6906
Finish
26.22 mi13:38:333:11:577:207:27
7:19
#6886
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi69677127127380(Top 28%)853(Top 7%)853(Top 47%)
10K6.21 mi3.10 mi6818+149680+32680+326772(Top 25%)696(Top 6%)696(Top 38%)
15K9.32 mi3.11 mi6979-161737-57737-577380(Top 28%)853(Top 7%)853(Top 47%)
20K12.43 mi3.11 mi7017-38744-7744-77209(Top 27%)847(Top 7%)847(Top 47%)
Half13.11 mi0.68 mi7024-7751-7751-77439(Top 28%)896(Top 8%)896(Top 49%)
25K15.53 mi2.42 mi6994+30754-3754-37080(Top 27%)862(Top 8%)862(Top 47%)
30K18.64 mi3.11 mi7074-80798-44798-447922(Top 30%)1270(Top 11%)1270(Top 70%)
20M20.00 mi1.36 mi7084-10806-8806-87946(Top 30%)1369(Top 12%)1369(Top 75%)
21M21.00 mi1.00 mi7065+19815-9815-97566(Top 28%)1332(Top 12%)1332(Top 73%)
35K21.75 mi0.75 mi7035+30817-2817-26802(Top 26%)1020(Top 9%)1020(Top 56%)
23M23.00 mi1.25 mi6994+41844-27844-277197(Top 27%)1239(Top 11%)1239(Top 68%)
24M24.00 mi1.00 mi6967+27850-6850-66950(Top 26%)1245(Top 11%)1245(Top 69%)
40K24.85 mi0.85 mi6931+36856-6856-66988(Top 26%)1349(Top 12%)1349(Top 74%)
25.2M25.20 mi0.35 mi6906+25863-7863-76956(Top 26%)1379(Top 12%)1379(Top 76%)
Finish26.22 mi1.02 mi6886+20879-16879-167212(Top 27%)1505(Top 13%)1505(Top 83%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×21story building
+97ft-345ft

Overall

7380

Females

853

F45-49

853

5K→10K

3.1 - 6.2 mi

Top 25%
×5story building
+79ft-138ft

Overall

6772

Females

696

F45-49

696

10K→15K

6.2 - 9.3 mi

Top 28%
×3story building
+67ft-78ft

Overall

7380

Females

853

F45-49

853

15K→20K

9.3 - 12.4 mi

Top 27%
×5story building
+106ft-86ft

Overall

7209

Females

847

F45-49

847

20K→Half

12.4 - 13.1 mi

Top 28%
×2story building
+19ft-37ft

Overall

7439

Females

896

F45-49

896

Half→25K

13.1 - 15.5 mi

Top 27%
×4story building
+66ft-88ft

Overall

7080

Females

862

F45-49

862

25K→30K

15.5 - 18.6 mi

Top 30%
×9story building
+181ft-148ft

Overall

7922

Females

1270

F45-49

1270

30K→20M

18.6 - 20.0 mi

Top 30%
×5story building
+64ft-50ft

Overall

7946

Females

1369

F45-49

1369

20M→21M

20.0 - 21.0 mi

Top 28%
×8story building
+106ft-24ft

Overall

7566

Females

1332

F45-49

1332

21M→35K

21.0 - 21.8 mi

Top 26%
×7story building
+17ft-86ft

Overall

6802

Females

1020

F45-49

1020

35K→23M

21.8 - 23.0 mi

Top 27%
×5story building
+23ft-63ft

Overall

7197

Females

1239

F45-49

1239

23M→24M

23.0 - 24.0 mi

Top 26%
×6story building
+12ft-82ft

Overall

6950

Females

1245

F45-49

1245

24M→40K

24.0 - 24.9 mi

Top 26%
×1story
+6ft-20ft

Overall

6988

Females

1349

F45-49

1349

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1story
+13ft-16ft

Overall

6956

Females

1379

F45-49

1379

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2story building
+22ft-21ft

Overall

7212

Females

1505

F45-49

1505

Passing Analysis

Category:
Athletes Passed
1158
Passed By
1077
Net Change
+81
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6967
5K → 10K275126+149#6967#6818
10K → 15K68229-161#6818#6979
15K → 20K88126-38#6979#7017
20K → Half1724-7#7017#7024
Half → 25K10070+30#7024#6994
25K → 30K88168-80#6994#7074
30K → 20M5363-10#7074#7084
20M → 21M7556+19#7084#7065
21M → 35K5222+30#7065#7035
35K → 23M9857+41#7035#6994
23M → 24M6538+27#6994#6967
24M → 40K7034+36#6967#6931
40K → 25.2M4520+25#6931#6906
25.2M → Finish6444+20#6906#6886
TOTALS11581077+81
📊

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