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BOSTON MARATHON 2023

Suzanne Davidson

Bib: 19734•F

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 34%
Gender (Female)
#0 / 11423
Top 15%
Masters (Masters Women)
#0 / 6539
Top 6%
Division (F40-44)
#0 / 1878
Top 13%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:21
Rank: #12729
Start → 5K
24:21 | 7:50/mi
10K· 6.21 mi
48:10
Rank: #12283 (+446)
5K → 10K
23:49 | 7:40/mi
15K· 9.32 mi
1:11:41
Rank: #11703 (+580)
10K → 15K
23:31 | 7:34/mi
20K· 12.43 mi
1:35:15
Rank: #11225 (+478)
15K → 20K
23:34 | 7:35/mi
Half· 13.11 mi
1:40:18
Rank: #11131 (+94)
20K → Half
5:03 | 7:24/mi
25K· 15.53 mi
1:58:27
Rank: #10693 (+438)
Half → 25K
18:09 | 7:29/mi
30K· 18.64 mi
2:22:16
Rank: #10221 (+472)
25K → 30K
23:49 | 7:40/mi
20M
2:32:27
Rank: #9922 (+299)
30K → 20M
10:11 | 7:30/mi
21M
2:40:42
Rank: #9827 (+95)
20M → 21M
8:15 | 8:15/mi
35K· 21.75 mi
2:46:02
Rank: #9680 (+147)
21M → 35K
5:20 | 7:08/mi
23M
2:55:52
Rank: #9584 (+96)
35K → 23M
9:50 | 7:51/mi
24M
3:03:07
Rank: #9389 (+195)
23M → 24M
7:15 | 7:15/mi
40K· 24.85 mi
3:09:33
Rank: #9255 (+134)
24M → 40K
6:26 | 7:31/mi
25.2M
3:12:23
Rank: #9225 (+30)
40K → 25.2M
2:50 | 8:13/mi
Finish· 26.22 mi
3:19:42
Rank: #9111 (+114)
25.2M → Finish
7:19 | 7:11/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:40:18
Pace7:39 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:39:24
Pace7:35 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:0224:217:5024:21
7:50
-
10K
6.21 mi11:39:5148:107:4523:49
7:40
-0:10
15K
9.32 mi12:03:221:11:417:4123:31
7:34
-0:06
20K
12.43 mi12:26:561:35:157:4023:34
7:35
+0:01
Half
13.11 mi12:31:591:40:187:395:03
7:24
-0:11
25K
15.53 mi12:50:081:58:277:3818:09
7:29
+0:05
30K
18.64 mi13:13:572:22:167:3823:49
7:40
+0:11
20M
20.00 mi13:24:082:32:277:3710:11
7:30
-0:10
21M
21.00 mi13:32:232:40:427:398:15
8:15
+0:45
35K
21.75 mi13:37:432:46:027:385:20
7:08
-1:07
23M
23.00 mi13:47:332:55:527:399:50
7:51
+0:43
24M
24.00 mi13:54:483:03:077:387:15
7:15
-0:36
40K
24.85 mi14:01:143:09:337:386:26
7:31
+0:16
25.2M
25.20 mi14:04:043:12:237:382:50
8:13
+0:42
Finish
26.22 mi14:11:233:19:427:377:19
7:11
-1:02

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

7:08 /mi

Average Pace

7:37 /mi

Slowest Pace

8:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:58:47

90% of race

Time at Steady Pace

20:55

10% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:37 /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 mi11:16:0224:217:5024:21
7:50
#12729
10K
6.21 mi11:39:5148:107:4523:49
7:40
#12283
15K
9.32 mi12:03:221:11:417:4123:31
7:34
#11703
20K
12.43 mi12:26:561:35:157:4023:34
7:35
#11225
Half
13.11 mi12:31:591:40:187:395:03
7:24
#11131
25K
15.53 mi12:50:081:58:277:3818:09
7:29
#10693
30K
18.64 mi13:13:572:22:167:3823:49
7:40
#10221
20M
20.00 mi13:24:082:32:277:3710:11
7:30
#9922
21M
21.00 mi13:32:232:40:427:398:15
8:15
#9827
35K
21.75 mi13:37:432:46:027:385:20
7:08
#9680
23M
23.00 mi13:47:332:55:527:399:50
7:51
#9584
24M
24.00 mi13:54:483:03:077:387:15
7:15
#9389
40K
24.85 mi14:01:143:09:337:386:26
7:31
#9255
25.2M
25.20 mi14:04:043:12:237:382:50
8:13
#9225
Finish
26.22 mi14:11:233:19:427:377:19
7:11
#9111
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi127293286328610759(Top 40%)2206(Top 19%)2206(Top 117%)
10K6.21 mi3.10 mi12283+4463023+2633023+26311940(Top 45%)2827(Top 25%)2827(Top 151%)
15K9.32 mi3.11 mi11703+5802726+2972726+29710759(Top 40%)2206(Top 19%)2206(Top 117%)
20K12.43 mi3.11 mi11225+4782456+2702456+2709986(Top 38%)1904(Top 17%)1904(Top 101%)
Half13.11 mi0.68 mi11131+942400+562400+569489(Top 36%)1669(Top 15%)1669(Top 89%)
25K15.53 mi2.42 mi10693+4382195+2052195+2058704(Top 33%)1433(Top 13%)1433(Top 76%)
30K18.64 mi3.11 mi10221+4722007+1882007+1888421(Top 32%)1474(Top 13%)1474(Top 78%)
20M20.00 mi1.36 mi9922+2991886+1211886+1216773(Top 25%)952(Top 8%)952(Top 51%)
21M21.00 mi1.00 mi9827+951865+211865+218931(Top 34%)1893(Top 17%)1893(Top 101%)
35K21.75 mi0.75 mi9680+1471814+511814+516144(Top 23%)815(Top 7%)815(Top 43%)
23M23.00 mi1.25 mi9584+961812+21812+28771(Top 33%)1918(Top 17%)1918(Top 102%)
24M24.00 mi1.00 mi9389+1951758+541758+546091(Top 23%)939(Top 8%)939(Top 50%)
40K24.85 mi0.85 mi9255+1341723+351723+356892(Top 26%)1323(Top 12%)1323(Top 70%)
25.2M25.20 mi0.35 mi9225+30172317237850(Top 29%)1762(Top 15%)1762(Top 94%)
Finish26.22 mi1.02 mi9111+1141694+291694+296318(Top 24%)1175(Top 10%)1175(Top 63%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21stories
+97ft-345ft

Overall

10759

Females

2206

F40-44

2206

5K→10K

3.1 - 6.2 mi

Top 45%
×5stories
+79ft-138ft

Overall

11940

Females

2827

F40-44

2827

10K→15K

6.2 - 9.3 mi

Top 40%
×3stories
+67ft-78ft

Overall

10759

Females

2206

F40-44

2206

15K→20K

9.3 - 12.4 mi

Top 38%
×5stories
+106ft-86ft

Overall

9986

Females

1904

F40-44

1904

20K→Half

12.4 - 13.1 mi

Top 36%
×2stories
+19ft-37ft

Overall

9489

Females

1669

F40-44

1669

Half→25K

13.1 - 15.5 mi

Top 33%
×4stories
+66ft-88ft

Overall

8704

Females

1433

F40-44

1433

25K→30K

15.5 - 18.6 mi

Top 32%
×9stories
+181ft-148ft

Overall

8421

Females

1474

F40-44

1474

30K→20M

18.6 - 20.0 mi

Top 25%
×5stories
+64ft-50ft

Overall

6773

Females

952

F40-44

952

20M→21M

20.0 - 21.0 mi

Top 34%
×8stories
+106ft-24ft

Overall

8931

Females

1893

F40-44

1893

21M→35K

21.0 - 21.8 mi

Top 23%
×7stories
+17ft-86ft

Overall

6144

Females

815

F40-44

815

35K→23M

21.8 - 23.0 mi

Top 33%
×5stories
+23ft-63ft

Overall

8771

Females

1918

F40-44

1918

23M→24M

23.0 - 24.0 mi

Top 23%
×6stories
+12ft-82ft

Overall

6091

Females

939

F40-44

939

24M→40K

24.0 - 24.9 mi

Top 26%
×1story
+6ft-20ft

Overall

6892

Females

1323

F40-44

1323

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1story
+13ft-16ft

Overall

7850

Females

1762

F40-44

1762

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2stories
+22ft-21ft

Overall

6318

Females

1175

F40-44

1175

Passing Analysis

Category:
Athletes Passed
3948*
Passed By
330
Net Change
+3618
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12729
5K → 10K598152+446#12729#12283
10K → 15K60727+580#12283#11703
15K → 20K49315+478#11703#11225
20K → Half940+94#11225#11131
Half → 25K4424+438#11131#10693
25K → 30K479*7+472#10693#10221
30K → 20M303*4+299#10221#9922
20M → 21M12732+95#9922#9827
21M → 35K1492+147#9827#9680
35K → 23M14145+96#9680#9584
23M → 24M2016+195#9584#9389
24M → 40K14612+134#9389#9255
40K → 25.2M4616+30#9255#9225
25.2M → Finish1228+114#9225#9111
TOTALS3948*330+3618

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:
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🔥Passing Intensity

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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