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BOSTON MARATHON 2023

Karen Gordon

Bib: 24480•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F65-69)
#0 / 221
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
9:38/mi
29:56
↑ 97↓ 3451.5%
10K· 6.21 mi
9:35/mi
59:43
↑ 79↓ 1380.4%
15K· 9.32 mi
9:27/mi
1:29:06
↑ 67↓ 78
20K· 12.43 mi
9:41/mi
1:59:12
↑ 106↓ 860.1%
Half· 13.11 mi
9:55/mi
2:05:58
↑ 19↓ 370.5%
25K· 15.53 mi
10:02/mi
2:30:17
↑ 66↓ 880.2%
30K· 18.64 mi
10:44/mi
3:03:37
↑ 181↓ 1480.2%
20M
11:21/mi
3:19:02
↑ 64↓ 500.2%
21M
12:54/mi
3:31:56
↑ 106↓ 241.6%
35K· 21.75 mi
11:12/mi
3:40:19
↑ 17↓ 861.7%
23M
11:56/mi
3:55:15
↑ 23↓ 630.6%
24M
11:37/mi
4:06:52
↓ 821.3%
40K· 24.85 mi
13:25/mi
4:18:20
↓ 200.3%
25.2M
13:35/mi
4:23:01
↑ 13↓ 160.2%
Finish· 26.22 mi
12:21/mi
4:35:36
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:05:58
Pace9:37 /mi
2nd Half
Distance13.11 mi
Time2:29:38
Pace11:25 /mi
📊Positive Split: 18.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:0329:569:3829:56
9:38
-
10K
6.21 mi12:14:5059:439:3729:47
9:35
-0:03
15K
9.32 mi12:44:131:29:069:3429:23
9:27
-0:08
20K
12.43 mi13:14:191:59:129:3630:06
9:41
+0:14
Half
13.11 mi13:21:052:05:589:376:46
9:55
+0:14
25K
15.53 mi13:45:242:30:179:4024:19
10:02
+0:07
30K
18.64 mi14:18:443:03:379:5133:20
10:44
+0:42
20M
20.00 mi14:34:093:19:029:5715:25
11:21
+0:37
21M
21.00 mi14:47:033:31:5610:0612:54
12:54
+1:33
35K
21.75 mi14:55:263:40:1910:088:23
11:12
-1:42
23M
23.00 mi15:10:223:55:1510:1414:56
11:56
+0:44
24M
24.00 mi15:21:594:06:5210:1711:37
11:37
-0:19
40K
24.85 mi15:33:274:18:2010:2411:28
13:25
+1:48
25.2M
25.20 mi15:38:084:23:0110:264:41
13:35
+0:10
Finish
26.22 mi15:50:434:35:3610:3112:35
12:21
-1:14

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

9:27 /mi

Average Pace

10:31 /mi

Slowest Pace

13:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:30:17

55% of race

Time at Steady Pace

1:08:45

25% of race

Time at Slower Pace

56:34

21% of race

Average Pace: 10:31 /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 mi11:45:0329:569:3829:56
9:38
#22487
10K
6.21 mi12:14:5059:439:3729:47
9:35
#22639
15K
9.32 mi12:44:131:29:069:3429:23
9:27
#22494
20K
12.43 mi13:14:191:59:129:3630:06
9:41
#22369
Half
13.11 mi13:21:052:05:589:376:46
9:55
#22434
25K
15.53 mi13:45:242:30:179:4024:19
10:02
#22412
30K
18.64 mi14:18:443:03:379:5133:20
10:44
#22445
20M
20.00 mi14:34:093:19:029:5715:25
11:21
#22520
21M
21.00 mi14:47:033:31:5610:0612:54
12:54
#22645
35K
21.75 mi14:55:263:40:1910:088:23
11:12
#22692
23M
23.00 mi15:10:223:55:1510:1414:56
11:56
#22772
24M
24.00 mi15:21:594:06:5210:1711:37
11:37
#22819
40K
24.85 mi15:33:274:18:2010:2411:28
13:25
#22967
25.2M
25.20 mi15:38:084:23:0110:264:41
13:35
#23022
Finish
26.22 mi15:50:434:35:3610:3112:35
12:21
#23174
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF65-69Seg. OverallSeg. FemalesSeg. F65-69
5K3.11 mi3.11 mi224879131913122138(Top 83%)8871(Top 78%)8871(Top 4014%)
10K6.21 mi3.10 mi22639-1529168-379168-3722769(Top 86%)9222(Top 81%)9222(Top 4173%)
15K9.32 mi3.11 mi22494+1459090+789090+7822138(Top 83%)8871(Top 78%)8871(Top 4014%)
20K12.43 mi3.11 mi22369+1259015+759015+7522135(Top 83%)8879(Top 78%)8879(Top 4018%)
Half13.11 mi0.68 mi22434-659052-379052-3723143(Top 87%)9438(Top 83%)9438(Top 4271%)
25K15.53 mi2.42 mi22412+229058-69058-622280(Top 84%)8988(Top 79%)8988(Top 4067%)
30K18.64 mi3.11 mi22445-339088-309088-3022655(Top 85%)9276(Top 81%)9276(Top 4197%)
20M20.00 mi1.36 mi22520-759150-629150-6223268(Top 87%)9665(Top 85%)9665(Top 4373%)
21M21.00 mi1.00 mi22645-1259223-739223-7323984(Top 90%)10076(Top 88%)10076(Top 4559%)
35K21.75 mi0.75 mi22692-479259-369259-3623675(Top 89%)9981(Top 87%)9981(Top 4516%)
23M23.00 mi1.25 mi22772-809308-499308-4923907(Top 90%)10073(Top 88%)10073(Top 4558%)
24M24.00 mi1.00 mi22819-479346-389346-3824039(Top 90%)10183(Top 89%)10183(Top 4608%)
40K24.85 mi0.85 mi22967-1489427-819427-8125297(Top 95%)10821(Top 95%)10821(Top 4896%)
25.2M25.20 mi0.35 mi23022-559451-249451-2424632(Top 93%)10510(Top 92%)10510(Top 4756%)
Finish26.22 mi1.02 mi23174-1529539-889539-8825566(Top 96%)10958(Top 96%)10958(Top 4958%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 83%
×21story building
+97ft-345ft

Overall

22138

Females

8871

F65-69

8871

5K→10K

3.1 - 6.2 mi

Top 86%
×5story building
+79ft-138ft

Overall

22769

Females

9222

F65-69

9222

10K→15K

6.2 - 9.3 mi

Top 83%
×3story building
+67ft-78ft

Overall

22138

Females

8871

F65-69

8871

15K→20K

9.3 - 12.4 mi

Top 83%
×5story building
+106ft-86ft

Overall

22135

Females

8879

F65-69

8879

20K→Half

12.4 - 13.1 mi

Top 87%
×2story building
+19ft-37ft

Overall

23143

Females

9438

F65-69

9438

Half→25K

13.1 - 15.5 mi

Top 84%
×4story building
+66ft-88ft

Overall

22280

Females

8988

F65-69

8988

25K→30K

15.5 - 18.6 mi

Top 85%
×9story building
+181ft-148ft

Overall

22655

Females

9276

F65-69

9276

30K→20M

18.6 - 20.0 mi

Top 87%
×5story building
+64ft-50ft

Overall

23268

Females

9665

F65-69

9665

20M→21M

20.0 - 21.0 mi

Top 90%
×8story building
+106ft-24ft

Overall

23984

Females

10076

F65-69

10076

21M→35K

21.0 - 21.8 mi

Top 89%
×7story building
+17ft-86ft

Overall

23675

Females

9981

F65-69

9981

35K→23M

21.8 - 23.0 mi

Top 90%
×5story building
+23ft-63ft

Overall

23907

Females

10073

F65-69

10073

23M→24M

23.0 - 24.0 mi

Top 90%
×6story building
+12ft-82ft

Overall

24039

Females

10183

F65-69

10183

24M→40K

24.0 - 24.9 mi

Top 95%
×1story
+6ft-20ft

Overall

25297

Females

10821

F65-69

10821

40K→25.2M

24.9 - 25.2 mi

Top 93%
×1story
+13ft-16ft

Overall

24632

Females

10510

F65-69

10510

25.2M→Finish

25.2 - 26.2 mi

Top 96%
×2story building
+22ft-21ft

Overall

25566

Females

10958

F65-69

10958

Passing Analysis

Category:
Athletes Passed
951
Passed By
1638
Net Change
-687
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22487
5K → 10K171323-152#22487#22639
10K → 15K22176+145#22639#22494
15K → 20K19267+125#22494#22369
20K → Half772-65#22369#22434
Half → 25K10987+22#22434#22412
25K → 30K103136-33#22412#22445
30K → 20M38113-75#22445#22520
20M → 21M20145-125#22520#22645
21M → 35K2269-47#22645#22692
35K → 23M26106-80#22692#22772
23M → 24M2370-47#22772#22819
24M → 40K6154-148#22819#22967
40K → 25.2M257-55#22967#23022
25.2M → Finish11163-152#23022#23174
TOTALS9511638-687
📊

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