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BOSTON MARATHON 2023

Julie Dunbar

Bib: 19149•F

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 50%
Gender (Female)
#0 / 11423
Top 33%
Masters (Masters Women)
#0 / 6539
Top 20%
Division (F45-49)
#0 / 1817
Top 21%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:19
Rank: #15068
Start → 5K
25:19 | 8:09/mi
10K· 6.21 mi
50:15
Rank: #15021 (+47)
5K → 10K
24:56 | 8:02/mi
15K· 9.32 mi
1:15:17
Rank: #14967 (+54)
10K → 15K
25:02 | 8:03/mi
20K· 12.43 mi
1:40:20
Rank: #14677 (+290)
15K → 20K
25:03 | 8:04/mi
Half· 13.11 mi
1:45:49
Rank: #14665 (+12)
20K → Half
5:29 | 8:02/mi
25K· 15.53 mi
2:05:36
Rank: #14546 (+119)
Half → 25K
19:47 | 8:10/mi
30K· 18.64 mi
2:31:18
Rank: #14220 (+326)
25K → 30K
25:42 | 8:16/mi
20M
2:42:51
Rank: #14175 (+45)
30K → 20M
11:33 | 8:30/mi
21M
2:51:36
Rank: #13996 (+179)
20M → 21M
8:45 | 8:45/mi
35K· 21.75 mi
2:57:52
Rank: #14002 (-6)
21M → 35K
6:16 | 8:23/mi
23M
3:07:58
Rank: #13759 (+243)
35K → 23M
10:06 | 8:04/mi
24M
3:16:00
Rank: #13630 (+129)
23M → 24M
8:02 | 8:02/mi
40K· 24.85 mi
3:22:59
Rank: #13511 (+119)
24M → 40K
6:59 | 8:10/mi
25.2M
3:25:54
Rank: #13417 (+94)
40K → 25.2M
2:55 | 8:27/mi
Finish· 26.22 mi
3:33:34
Rank: #13213 (+204)
25.2M → Finish
7:40 | 7:31/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:49
Pace8:04 /mi
2nd Half
Distance13.11 mi
Time1:47:45
Pace8:13 /mi
📊Positive Split: 1.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:0325:198:0925:19
8:09
-
10K
6.21 mi11:41:5950:158:0524:56
8:02
-0:07
15K
9.32 mi12:07:011:15:178:0525:02
8:03
+0:01
20K
12.43 mi12:32:041:40:208:0425:03
8:04
+0:01
Half
13.11 mi12:37:331:45:498:045:29
8:02
-0:02
25K
15.53 mi12:57:202:05:368:0519:47
8:10
+0:08
30K
18.64 mi13:23:022:31:188:0725:42
8:16
+0:06
20M
20.00 mi13:34:352:42:518:0911:33
8:30
+0:14
21M
21.00 mi13:43:202:51:368:108:45
8:45
+0:15
35K
21.75 mi13:49:362:57:528:116:16
8:23
-0:22
23M
23.00 mi13:59:423:07:588:1010:06
8:04
-0:19
24M
24.00 mi14:07:443:16:008:108:02
8:02
-0:02
40K
24.85 mi14:14:433:22:598:106:59
8:10
+0:08
25.2M
25.20 mi14:17:383:25:548:102:55
8:27
+0:17
Finish
26.22 mi14:25:183:33:348:097:40
7:31
-0:56

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

7:31 /mi

Average Pace

8:09 /mi

Slowest Pace

8:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:04:05

86% of race

Time at Steady Pace

29:29

14% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:09 /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 mi11:17:0325:198:0925:19
8:09
#15068
10K
6.21 mi11:41:5950:158:0524:56
8:02
#15021
15K
9.32 mi12:07:011:15:178:0525:02
8:03
#14967
20K
12.43 mi12:32:041:40:208:0425:03
8:04
#14677
Half
13.11 mi12:37:331:45:498:045:29
8:02
#14665
25K
15.53 mi12:57:202:05:368:0519:47
8:10
#14546
30K
18.64 mi13:23:022:31:188:0725:42
8:16
#14220
20M
20.00 mi13:34:352:42:518:0911:33
8:30
#14175
21M
21.00 mi13:43:202:51:368:108:45
8:45
#13996
35K
21.75 mi13:49:362:57:528:116:16
8:23
#14002
23M
23.00 mi13:59:423:07:588:1010:06
8:04
#13759
24M
24.00 mi14:07:443:16:008:108:02
8:02
#13630
40K
24.85 mi14:14:433:22:598:106:59
8:10
#13511
25.2M
25.20 mi14:17:383:25:548:102:55
8:27
#13417
Finish
26.22 mi14:25:183:33:348:097:40
7:31
#13213
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi150684687468714866(Top 56%)4602(Top 40%)4602(Top 253%)
10K6.21 mi3.10 mi15021+474659+284659+2814996(Top 56%)4669(Top 41%)4669(Top 257%)
15K9.32 mi3.11 mi14967+544641+184641+1814866(Top 56%)4602(Top 40%)4602(Top 253%)
20K12.43 mi3.11 mi14677+2904476+1654476+16513954(Top 52%)4081(Top 36%)4081(Top 225%)
Half13.11 mi0.68 mi14665+124471+54471+514684(Top 55%)4480(Top 39%)4480(Top 247%)
25K15.53 mi2.42 mi14546+1194432+394432+3913942(Top 52%)4178(Top 37%)4178(Top 230%)
30K18.64 mi3.11 mi14220+3264275+1574275+15712856(Top 48%)3670(Top 32%)3670(Top 202%)
20M20.00 mi1.36 mi14175+454275427513628(Top 51%)4188(Top 37%)4188(Top 230%)
21M21.00 mi1.00 mi13996+1794182+934182+9311998(Top 45%)3400(Top 30%)3400(Top 187%)
35K21.75 mi0.75 mi14002-64200-184200-1814591(Top 55%)4873(Top 43%)4873(Top 268%)
23M23.00 mi1.25 mi13759+2434077+1234077+12310273(Top 39%)2644(Top 23%)2644(Top 146%)
24M24.00 mi1.00 mi13630+1294020+574020+5711512(Top 43%)3343(Top 29%)3343(Top 184%)
40K24.85 mi0.85 mi13511+1193964+563964+5611182(Top 42%)3252(Top 28%)3252(Top 179%)
25.2M25.20 mi0.35 mi13417+943925+393925+399372(Top 35%)2431(Top 21%)2431(Top 134%)
Finish26.22 mi1.02 mi13213+2043825+1003825+1008768(Top 33%)2148(Top 19%)2148(Top 118%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21stories
+97ft-345ft

Overall

14866

Females

4602

F45-49

4602

5K→10K

3.1 - 6.2 mi

Top 56%
×5stories
+79ft-138ft

Overall

14996

Females

4669

F45-49

4669

10K→15K

6.2 - 9.3 mi

Top 56%
×3stories
+67ft-78ft

Overall

14866

Females

4602

F45-49

4602

15K→20K

9.3 - 12.4 mi

Top 52%
×5stories
+106ft-86ft

Overall

13954

Females

4081

F45-49

4081

20K→Half

12.4 - 13.1 mi

Top 55%
×2stories
+19ft-37ft

Overall

14684

Females

4480

F45-49

4480

Half→25K

13.1 - 15.5 mi

Top 52%
×4stories
+66ft-88ft

Overall

13942

Females

4178

F45-49

4178

25K→30K

15.5 - 18.6 mi

Top 48%
×9stories
+181ft-148ft

Overall

12856

Females

3670

F45-49

3670

30K→20M

18.6 - 20.0 mi

Top 51%
×5stories
+64ft-50ft

Overall

13628

Females

4188

F45-49

4188

20M→21M

20.0 - 21.0 mi

Top 45%
×8stories
+106ft-24ft

Overall

11998

Females

3400

F45-49

3400

21M→35K

21.0 - 21.8 mi

Top 55%
×7stories
+17ft-86ft

Overall

14591

Females

4873

F45-49

4873

35K→23M

21.8 - 23.0 mi

Top 39%
×5stories
+23ft-63ft

Overall

10273

Females

2644

F45-49

2644

23M→24M

23.0 - 24.0 mi

Top 43%
×6stories
+12ft-82ft

Overall

11512

Females

3343

F45-49

3343

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

11182

Females

3252

F45-49

3252

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

9372

Females

2431

F45-49

2431

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2stories
+22ft-21ft

Overall

8768

Females

2148

F45-49

2148

Passing Analysis

Category:
Athletes Passed
2654
Passed By
799
Net Change
+1855
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15068
5K → 10K321274+47#15068#15021
10K → 15K209155+54#15021#14967
15K → 20K34252+290#14967#14677
20K → Half4028+12#14677#14665
Half → 25K20384+119#14665#14546
25K → 30K37145+326#14546#14220
30K → 20M9853+45#14220#14175
20M → 21M19516+179#14175#13996
21M → 35K4652-6#13996#14002
35K → 23M2474+243#14002#13759
23M → 24M14112+129#13759#13630
24M → 40K13314+119#13630#13511
40K → 25.2M940+94#13511#13417
25.2M → Finish21410+204#13417#13213
TOTALS2654799+1855
📊

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