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BOSTON MARATHON 2023

Susan Burwig

Bib: 24193•F

OH

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F60-64)
#0 / 527
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
9:03/mi
28:06
↑ 97↓ 3451.5%
10K· 6.21 mi
9:11/mi
56:38
↑ 79↓ 1380.4%
15K· 9.32 mi
9:20/mi
1:25:38
↑ 67↓ 78
20K· 12.43 mi
9:40/mi
1:55:39
↑ 106↓ 860.1%
Half· 13.11 mi
10:20/mi
2:02:42
↑ 19↓ 370.5%
25K· 15.53 mi
9:44/mi
2:26:18
↑ 66↓ 880.2%
30K· 18.64 mi
10:36/mi
2:59:13
↑ 181↓ 1480.2%
20M
11:34/mi
3:14:56
↑ 64↓ 500.2%
21M
11:34/mi
3:26:29
↑ 106↓ 241.6%
35K· 21.75 mi
12:21/mi
3:35:43
↑ 17↓ 861.7%
23M
11:04/mi
3:49:34
↑ 23↓ 630.6%
24M
10:52/mi
4:00:26
↓ 821.3%
40K· 24.85 mi
10:41/mi
4:09:34
↓ 200.3%
25.2M
11:24/mi
4:13:30
↑ 13↓ 160.2%
Finish· 26.22 mi
10:50/mi
4:24:32
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:02:42
Pace9:22 /mi
2nd Half
Distance13.11 mi
Time2:21:50
Pace10:49 /mi
📊Positive Split: 15.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:3228:069:0328:06
9:03
-
10K
6.21 mi12:12:0456:389:0728:32
9:11
+0:08
15K
9.32 mi12:41:041:25:389:1129:00
9:20
+0:09
20K
12.43 mi13:11:051:55:399:1830:01
9:40
+0:20
Half
13.11 mi13:18:082:02:429:227:03
10:20
+0:40
25K
15.53 mi13:41:442:26:189:2523:36
9:44
-0:36
30K
18.64 mi14:14:392:59:139:3732:55
10:36
+0:52
20M
20.00 mi14:30:223:14:569:4515:43
11:34
+0:58
21M
21.00 mi14:41:553:26:299:5011:33
11:34
0:00
35K
21.75 mi14:51:093:35:439:559:14
12:21
+0:47
23M
23.00 mi15:05:003:49:349:5913:51
11:04
-1:17
24M
24.00 mi15:15:524:00:2610:0110:52
10:52
-0:12
40K
24.85 mi15:25:004:09:3410:029:08
10:41
-0:11
25.2M
25.20 mi15:28:564:13:3010:043:56
11:24
+0:43
Finish
26.22 mi15:39:584:24:3210:0611:02
10:50
-0:34

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

9:03 /mi

Average Pace

10:06 /mi

Slowest Pace

12:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:19:15

53% of race

Time at Steady Pace

1:24:51

32% of race

Time at Slower Pace

40:26

15% of race

Average Pace: 10:05 /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 mi11:43:3228:069:0328:06
9:03
#20651
10K
6.21 mi12:12:0456:389:0728:32
9:11
#21123
15K
9.32 mi12:41:041:25:389:1129:00
9:20
#21317
20K
12.43 mi13:11:051:55:399:1830:01
9:40
#21525
Half
13.11 mi13:18:082:02:429:227:03
10:20
#21703
25K
15.53 mi13:41:442:26:189:2523:36
9:44
#21637
30K
18.64 mi14:14:392:59:139:3732:55
10:36
#21803
20M
20.00 mi14:30:223:14:569:4515:43
11:34
#22016
21M
21.00 mi14:41:553:26:299:5011:33
11:34
#22022
35K
21.75 mi14:51:093:35:439:559:14
12:21
#22167
23M
23.00 mi15:05:003:49:349:5913:51
11:04
#22195
24M
24.00 mi15:15:524:00:2610:0110:52
10:52
#22226
40K
24.85 mi15:25:004:09:3410:029:08
10:41
#22215
25.2M
25.20 mi15:28:564:13:3010:043:56
11:24
#22201
Finish
26.22 mi15:39:584:24:3210:0611:02
10:50
#22271
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi206518200820021764(Top 82%)8658(Top 76%)8658(Top 1643%)
10K6.21 mi3.10 mi21123-4728379-1798379-17921583(Top 81%)8593(Top 75%)8593(Top 1631%)
15K9.32 mi3.11 mi21317-1948454-758454-7521764(Top 82%)8658(Top 76%)8658(Top 1643%)
20K12.43 mi3.11 mi21525-2088567-1138567-11322043(Top 83%)8826(Top 77%)8826(Top 1675%)
Half13.11 mi0.68 mi21703-1788662-958662-9523905(Top 90%)9861(Top 86%)9861(Top 1871%)
25K15.53 mi2.42 mi21637+668619+438619+4321571(Top 81%)8601(Top 75%)8601(Top 1632%)
30K18.64 mi3.11 mi21803-1668722-1038722-10322403(Top 84%)9127(Top 80%)9127(Top 1732%)
20M20.00 mi1.36 mi22016-2138857-1358857-13523611(Top 89%)9846(Top 86%)9846(Top 1868%)
21M21.00 mi1.00 mi22022-68867-108867-1021976(Top 83%)8979(Top 79%)8979(Top 1704%)
35K21.75 mi0.75 mi22167-1458960-938960-9325021(Top 94%)10663(Top 93%)10663(Top 2023%)
23M23.00 mi1.25 mi22195-288989-298989-2922453(Top 84%)9295(Top 81%)9295(Top 1764%)
24M24.00 mi1.00 mi22226-319004-159004-1522785(Top 86%)9515(Top 83%)9515(Top 1806%)
40K24.85 mi0.85 mi22215+119007-39007-321684(Top 81%)8983(Top 79%)8983(Top 1705%)
25.2M25.20 mi0.35 mi22201+149003+49003+421388(Top 80%)8807(Top 77%)8807(Top 1671%)
Finish26.22 mi1.02 mi22271-709050-479050-4723660(Top 89%)9989(Top 87%)9989(Top 1895%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 82%
×21story building
+97ft-345ft

Overall

21764

Females

8658

F60-64

8658

5K→10K

3.1 - 6.2 mi

Top 81%
×5story building
+79ft-138ft

Overall

21583

Females

8593

F60-64

8593

10K→15K

6.2 - 9.3 mi

Top 82%
×3story building
+67ft-78ft

Overall

21764

Females

8658

F60-64

8658

15K→20K

9.3 - 12.4 mi

Top 83%
×5story building
+106ft-86ft

Overall

22043

Females

8826

F60-64

8826

20K→Half

12.4 - 13.1 mi

Top 90%
×2story building
+19ft-37ft

Overall

23905

Females

9861

F60-64

9861

Half→25K

13.1 - 15.5 mi

Top 81%
×4story building
+66ft-88ft

Overall

21571

Females

8601

F60-64

8601

25K→30K

15.5 - 18.6 mi

Top 84%
×9story building
+181ft-148ft

Overall

22403

Females

9127

F60-64

9127

30K→20M

18.6 - 20.0 mi

Top 89%
×5story building
+64ft-50ft

Overall

23611

Females

9846

F60-64

9846

20M→21M

20.0 - 21.0 mi

Top 83%
×8story building
+106ft-24ft

Overall

21976

Females

8979

F60-64

8979

21M→35K

21.0 - 21.8 mi

Top 94%
×7story building
+17ft-86ft

Overall

25021

Females

10663

F60-64

10663

35K→23M

21.8 - 23.0 mi

Top 84%
×5story building
+23ft-63ft

Overall

22453

Females

9295

F60-64

9295

23M→24M

23.0 - 24.0 mi

Top 86%
×6story building
+12ft-82ft

Overall

22785

Females

9515

F60-64

9515

24M→40K

24.0 - 24.9 mi

Top 81%
×1story
+6ft-20ft

Overall

21684

Females

8983

F60-64

8983

40K→25.2M

24.9 - 25.2 mi

Top 80%
×1story
+13ft-16ft

Overall

21388

Females

8807

F60-64

8807

25.2M→Finish

25.2 - 26.2 mi

Top 89%
×2story building
+22ft-21ft

Overall

23660

Females

9989

F60-64

9989

Passing Analysis

Category:
Athletes Passed
751
Passed By
2371
Net Change
-1620
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20651
5K → 10K127599-472#20651#21123
10K → 15K86280-194#21123#21317
15K → 20K70278-208#21317#21525
20K → Half2180-178#21525#21703
Half → 25K13771+66#21703#21637
25K → 30K89255-166#21637#21803
30K → 20M21234-213#21803#22016
20M → 21M6167-6#22016#22022
21M → 35K8153-145#22022#22167
35K → 23M4169-28#22167#22195
23M → 24M2758-31#22195#22226
24M → 40K4534+11#22226#22215
40K → 25.2M2410+14#22215#22201
25.2M → Finish1383-70#22201#22271
TOTALS7512371-1620
📊

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