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BOSTON MARATHON 2023

Anne Kathryn Bromm

Bib: 22817•F

PA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F50-54)
#0 / 1207
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
9:16/mi
28:48
↑ 97↓ 3451.5%
10K· 6.21 mi
9:26/mi
58:07
↑ 79↓ 1380.4%
15K· 9.32 mi
9:59/mi
1:29:08
↑ 67↓ 78
20K· 12.43 mi
10:05/mi
2:00:28
↑ 106↓ 860.1%
Half· 13.11 mi
9:45/mi
2:07:07
↑ 19↓ 370.5%
25K· 15.53 mi
10:39/mi
2:32:57
↑ 66↓ 880.2%
30K· 18.64 mi
11:05/mi
3:07:23
↑ 181↓ 1480.2%
20M
11:02/mi
3:22:22
↑ 64↓ 500.2%
21M
11:45/mi
3:34:07
↑ 106↓ 241.6%
35K· 21.75 mi
10:44/mi
3:42:09
↑ 17↓ 861.7%
23M
11:05/mi
3:56:02
↑ 23↓ 630.6%
24M
10:56/mi
4:06:58
↓ 821.3%
40K· 24.85 mi
11:09/mi
4:16:30
↓ 200.3%
25.2M
12:22/mi
4:20:46
↑ 13↓ 160.2%
Finish· 26.22 mi
10:16/mi
4:31:14
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:07:07
Pace9:42 /mi
2nd Half
Distance13.11 mi
Time2:24:07
Pace11:00 /mi
📊Positive Split: 13.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:3628:489:1628:48
9:16
-
10K
6.21 mi11:52:5558:079:2129:19
9:26
+0:10
15K
9.32 mi12:23:561:29:089:3431:01
9:59
+0:33
20K
12.43 mi12:55:162:00:289:4231:20
10:05
+0:06
Half
13.11 mi13:01:552:07:079:426:39
9:45
-0:20
25K
15.53 mi13:27:452:32:579:5125:50
10:39
+0:54
30K
18.64 mi14:02:113:07:2310:0334:26
11:05
+0:26
20M
20.00 mi14:17:103:22:2210:0714:59
11:02
-0:03
21M
21.00 mi14:28:553:34:0710:1211:45
11:45
+0:43
35K
21.75 mi14:36:573:42:0910:138:02
10:44
-1:01
23M
23.00 mi14:50:503:56:0210:1613:53
11:05
+0:21
24M
24.00 mi15:01:464:06:5810:1710:56
10:56
-0:09
40K
24.85 mi15:11:184:16:3010:199:32
11:09
+0:13
25.2M
25.20 mi15:15:344:20:4610:214:16
12:22
+1:13
Finish
26.22 mi15:26:024:31:1410:2110:28
10:16
-2:06

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

9:16 /mi

Average Pace

10:21 /mi

Slowest Pace

12:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:17:35

51% of race

Time at Steady Pace

1:48:06

40% of race

Time at Slower Pace

25:33

9% of race

Average Pace: 10:21 /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 mi11:23:3628:489:1628:48
9:16
#21445
10K
6.21 mi11:52:5558:079:2129:19
9:26
#21895
15K
9.32 mi12:23:561:29:089:3431:01
9:59
#22498
20K
12.43 mi12:55:162:00:289:4231:20
10:05
#22666
Half
13.11 mi13:01:552:07:079:426:39
9:45
#22674
25K
15.53 mi13:27:452:32:579:5125:50
10:39
#22841
30K
18.64 mi14:02:113:07:2310:0334:26
11:05
#22910
20M
20.00 mi14:17:103:22:2210:0714:59
11:02
#22901
21M
21.00 mi14:28:553:34:0710:1211:45
11:45
#22878
35K
21.75 mi14:36:573:42:0910:138:02
10:44
#22873
23M
23.00 mi14:50:503:56:0210:1613:53
11:05
#22844
24M
24.00 mi15:01:464:06:5810:1710:56
10:56
#22826
40K
24.85 mi15:11:184:16:3010:199:32
11:09
#22825
25.2M
25.20 mi15:15:344:20:4610:214:16
12:22
#22832
Finish
26.22 mi15:26:024:31:1410:2110:28
10:16
#22831
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi214458607860723474(Top 88%)9595(Top 84%)9595(Top 795%)
10K6.21 mi3.10 mi21895-4508791-1848791-18422331(Top 84%)8997(Top 79%)8997(Top 745%)
15K9.32 mi3.11 mi22498-6039092-3019092-30123474(Top 88%)9595(Top 84%)9595(Top 795%)
20K12.43 mi3.11 mi22666-1689173-819173-8123094(Top 87%)9401(Top 82%)9401(Top 779%)
Half13.11 mi0.68 mi22674-89182-99182-922775(Top 86%)9230(Top 81%)9230(Top 765%)
25K15.53 mi2.42 mi22841-1679277-959277-9523444(Top 88%)9641(Top 84%)9641(Top 799%)
30K18.64 mi3.11 mi22910-699333-569333-5623217(Top 87%)9578(Top 84%)9578(Top 794%)
20M20.00 mi1.36 mi22901+99348-159348-1522750(Top 85%)9388(Top 82%)9388(Top 778%)
21M21.00 mi1.00 mi22878+239341+79341+722334(Top 84%)9185(Top 80%)9185(Top 761%)
35K21.75 mi0.75 mi22873+59350-99350-922819(Top 86%)9495(Top 83%)9495(Top 787%)
23M23.00 mi1.25 mi22844+299347+39347+322515(Top 85%)9335(Top 82%)9335(Top 773%)
24M24.00 mi1.00 mi22826+189351-49351-422931(Top 86%)9599(Top 84%)9599(Top 795%)
40K24.85 mi0.85 mi22825+19349+29349+222656(Top 85%)9481(Top 83%)9481(Top 786%)
25.2M25.20 mi0.35 mi22832-79355-69355-623108(Top 87%)9724(Top 85%)9724(Top 806%)
Finish26.22 mi1.02 mi22831+19362-79362-722480(Top 84%)9375(Top 82%)9375(Top 777%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21story building
+97ft-345ft

Overall

23474

Females

9595

F50-54

9595

5K→10K

3.1 - 6.2 mi

Top 84%
×5story building
+79ft-138ft

Overall

22331

Females

8997

F50-54

8997

10K→15K

6.2 - 9.3 mi

Top 88%
×3story building
+67ft-78ft

Overall

23474

Females

9595

F50-54

9595

15K→20K

9.3 - 12.4 mi

Top 87%
×5story building
+106ft-86ft

Overall

23094

Females

9401

F50-54

9401

20K→Half

12.4 - 13.1 mi

Top 86%
×2story building
+19ft-37ft

Overall

22775

Females

9230

F50-54

9230

Half→25K

13.1 - 15.5 mi

Top 88%
×4story building
+66ft-88ft

Overall

23444

Females

9641

F50-54

9641

25K→30K

15.5 - 18.6 mi

Top 87%
×9story building
+181ft-148ft

Overall

23217

Females

9578

F50-54

9578

30K→20M

18.6 - 20.0 mi

Top 85%
×5story building
+64ft-50ft

Overall

22750

Females

9388

F50-54

9388

20M→21M

20.0 - 21.0 mi

Top 84%
×8story building
+106ft-24ft

Overall

22334

Females

9185

F50-54

9185

21M→35K

21.0 - 21.8 mi

Top 86%
×7story building
+17ft-86ft

Overall

22819

Females

9495

F50-54

9495

35K→23M

21.8 - 23.0 mi

Top 85%
×5story building
+23ft-63ft

Overall

22515

Females

9335

F50-54

9335

23M→24M

23.0 - 24.0 mi

Top 86%
×6story building
+12ft-82ft

Overall

22931

Females

9599

F50-54

9599

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

22656

Females

9481

F50-54

9481

40K→25.2M

24.9 - 25.2 mi

Top 87%
×1story
+13ft-16ft

Overall

23108

Females

9724

F50-54

9724

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×2story building
+22ft-21ft

Overall

22480

Females

9375

F50-54

9375

Passing Analysis

Category:
Athletes Passed
721
Passed By
2107
Net Change
-1386
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21445
5K → 10K102552-450#21445#21895
10K → 15K38641-603#21895#22498
15K → 20K85253-168#22498#22666
20K → Half1220-8#22666#22674
Half → 25K51218-167#22674#22841
25K → 30K99168-69#22841#22910
30K → 20M6960+9#22910#22901
20M → 21M5835+23#22901#22878
21M → 35K3227+5#22878#22873
35K → 23M6334+29#22873#22844
23M → 24M4022+18#22844#22826
24M → 40K2928+1#22826#22825
40K → 25.2M1320-7#22825#22832
25.2M → Finish3029+1#22832#22831
TOTALS7212107-1386
📊

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