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BOSTON MARATHON 2023

Suzanne Bradford

Bib: 17117•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 41%
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
8:42/mi
27:01
↑ 97↓ 3451.5%
10K· 6.21 mi
8:19/mi
52:51
↑ 79↓ 1380.4%
15K· 9.32 mi
8:38/mi
1:19:39
↑ 67↓ 78
20K· 12.43 mi
8:42/mi
1:46:42
↑ 106↓ 860.1%
Half· 13.11 mi
8:18/mi
1:52:22
↑ 19↓ 370.5%
25K· 15.53 mi
8:12/mi
2:12:16
↑ 66↓ 880.2%
30K· 18.64 mi
8:28/mi
2:38:33
↑ 181↓ 1480.2%
20M
8:25/mi
2:49:59
↑ 64↓ 500.2%
21M
8:39/mi
2:58:38
↑ 106↓ 241.6%
35K· 21.75 mi
8:05/mi
3:04:41
↑ 17↓ 861.7%
23M
8:22/mi
3:15:10
↑ 23↓ 630.6%
24M
8:17/mi
3:23:27
↓ 821.3%
40K· 24.85 mi
8:56/mi
3:31:05
↓ 200.3%
25.2M
9:31/mi
3:34:22
↑ 13↓ 160.2%
Finish· 26.22 mi
12:01/mi
3:46:37
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:22
Pace8:34 /mi
2nd Half
Distance13.11 mi
Time1:54:15
Pace8:43 /mi
📊Positive Split: 1.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:5827:018:4227:01
8:42
-
10K
6.21 mi11:48:4852:518:3025:50
8:19
-0:23
15K
9.32 mi12:15:361:19:398:3326:48
8:38
+0:19
20K
12.43 mi12:42:391:46:428:3527:03
8:42
+0:04
Half
13.11 mi12:48:191:52:228:345:40
8:18
-0:24
25K
15.53 mi13:08:132:12:168:3119:54
8:12
-0:06
30K
18.64 mi13:34:302:38:338:3026:17
8:28
+0:16
20M
20.00 mi13:45:562:49:598:3011:26
8:25
-0:03
21M
21.00 mi13:54:352:58:388:308:39
8:39
+0:14
35K
21.75 mi14:00:383:04:418:306:03
8:05
-0:34
23M
23.00 mi14:11:073:15:108:2910:29
8:22
+0:17
24M
24.00 mi14:19:243:23:278:298:17
8:17
-0:05
40K
24.85 mi14:27:023:31:058:307:38
8:56
+0:39
25.2M
25.20 mi14:30:193:34:228:303:17
9:31
+0:35
Finish
26.22 mi14:42:343:46:378:3912:15
12:01
+2:30

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

8:05 /mi

Average Pace

8:39 /mi

Slowest Pace

12:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

3:23:27

90% of race

Time at Slower Pace

23:10

10% of race

Average Pace: 8:39 /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 mi11:22:5827:018:4227:01
8:42
#18856
10K
6.21 mi11:48:4852:518:3025:50
8:19
#17938
15K
9.32 mi12:15:361:19:398:3326:48
8:38
#18139
20K
12.43 mi12:42:391:46:428:3527:03
8:42
#18121
Half
13.11 mi12:48:191:52:228:345:40
8:18
#18023
25K
15.53 mi13:08:132:12:168:3119:54
8:12
#17412
30K
18.64 mi13:34:302:38:338:3026:17
8:28
#16814
20M
20.00 mi13:45:562:49:598:3011:26
8:25
#16531
21M
21.00 mi13:54:352:58:388:308:39
8:39
#16240
35K
21.75 mi14:00:383:04:418:306:03
8:05
#16083
23M
23.00 mi14:11:073:15:108:2910:29
8:22
#15851
24M
24.00 mi14:19:243:23:278:298:17
8:17
#15724
40K
24.85 mi14:27:023:31:058:307:38
8:56
#15724
25.2M
25.20 mi14:30:193:34:228:303:17
9:31
#15722
Finish
26.22 mi14:42:343:46:378:3912:15
12:01
#16530
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi188567107710718605(Top 70%)6858(Top 60%)6858(Top 365%)
10K6.21 mi3.10 mi17938+9186491+6166491+61617042(Top 64%)5897(Top 52%)5897(Top 314%)
15K9.32 mi3.11 mi18139-2016606-1156606-11518605(Top 70%)6858(Top 60%)6858(Top 365%)
20K12.43 mi3.11 mi18121+186583+236583+2318161(Top 68%)6592(Top 58%)6592(Top 351%)
Half13.11 mi0.68 mi18023+986526+576526+5716565(Top 62%)5648(Top 49%)5648(Top 301%)
25K15.53 mi2.42 mi17412+6116187+3396187+33914309(Top 54%)4401(Top 39%)4401(Top 234%)
30K18.64 mi3.11 mi16814+5985854+3335854+33314065(Top 53%)4373(Top 38%)4373(Top 233%)
20M20.00 mi1.36 mi16531+2835719+1355719+13513128(Top 49%)3935(Top 34%)3935(Top 210%)
21M21.00 mi1.00 mi16240+2915561+1585561+15811406(Top 43%)3104(Top 27%)3104(Top 165%)
35K21.75 mi0.75 mi16083+1575486+755486+7512781(Top 48%)3888(Top 34%)3888(Top 207%)
23M23.00 mi1.25 mi15851+2325368+1185368+11812449(Top 47%)3779(Top 33%)3779(Top 201%)
24M24.00 mi1.00 mi15724+1275315+535315+5313206(Top 50%)4244(Top 37%)4244(Top 226%)
40K24.85 mi0.85 mi157245317-25317-215789(Top 59%)5733(Top 50%)5733(Top 305%)
25.2M25.20 mi0.35 mi15722+25317531715348(Top 58%)5509(Top 48%)5509(Top 293%)
Finish26.22 mi1.02 mi16530-8085800-4835800-48325251(Top 95%)10793(Top 94%)10793(Top 575%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21story building
+97ft-345ft

Overall

18605

Females

6858

F40-44

6858

5K→10K

3.1 - 6.2 mi

Top 64%
×5story building
+79ft-138ft

Overall

17042

Females

5897

F40-44

5897

10K→15K

6.2 - 9.3 mi

Top 70%
×3story building
+67ft-78ft

Overall

18605

Females

6858

F40-44

6858

15K→20K

9.3 - 12.4 mi

Top 68%
×5story building
+106ft-86ft

Overall

18161

Females

6592

F40-44

6592

20K→Half

12.4 - 13.1 mi

Top 62%
×2story building
+19ft-37ft

Overall

16565

Females

5648

F40-44

5648

Half→25K

13.1 - 15.5 mi

Top 54%
×4story building
+66ft-88ft

Overall

14309

Females

4401

F40-44

4401

25K→30K

15.5 - 18.6 mi

Top 53%
×9story building
+181ft-148ft

Overall

14065

Females

4373

F40-44

4373

30K→20M

18.6 - 20.0 mi

Top 49%
×5story building
+64ft-50ft

Overall

13128

Females

3935

F40-44

3935

20M→21M

20.0 - 21.0 mi

Top 43%
×8story building
+106ft-24ft

Overall

11406

Females

3104

F40-44

3104

21M→35K

21.0 - 21.8 mi

Top 48%
×7story building
+17ft-86ft

Overall

12781

Females

3888

F40-44

3888

35K→23M

21.8 - 23.0 mi

Top 47%
×5story building
+23ft-63ft

Overall

12449

Females

3779

F40-44

3779

23M→24M

23.0 - 24.0 mi

Top 50%
×6story building
+12ft-82ft

Overall

13206

Females

4244

F40-44

4244

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

15789

Females

5733

F40-44

5733

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

15348

Females

5509

F40-44

5509

25.2M→Finish

25.2 - 26.2 mi

Top 95%
×2story building
+22ft-21ft

Overall

25251

Females

10793

F40-44

10793

Passing Analysis

Category:
Athletes Passed
3849
Passed By
1523
Net Change
+2326
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18856
5K → 10K1028110+918#18856#17938
10K → 15K115316-201#17938#18139
15K → 20K176158+18#18139#18121
20K → Half1002+98#18121#18023
Half → 25K6121+611#18023#17412
25K → 30K6002+598#17412#16814
30K → 20M2885+283#16814#16531
20M → 21M2910+291#16531#16240
21M → 35K1570+157#16240#16083
35K → 23M2419+232#16083#15851
23M → 24M14417+127#15851#15724
24M → 40K63630#15724#15724
40K → 25.2M2927+2#15724#15722
25.2M → Finish5813-808#15722#16530
TOTALS38491523+2326
📊

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