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BOSTON MARATHON 2023

Jennifer Dinan

OR

Bib: 16961 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 39%
Masters (Masters Women)
#0 / 6539
Top 26%
Division (F40-44)
#0 / 1878
Top 46%
Race Day Weather
49°/39°F
light intensity drizzle

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:35/mi
23:33
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:49/mi
47:50
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:00/mi
1:12:41
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:08/mi
1:37:58
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:08/mi
1:43:31
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:11/mi
2:03:21
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:36/mi
2:30:05
↑ 181↓ 1480.2%
138 ft elev
20M
8:55/mi
2:42:12
↑ 64↓ 500.2%
148 ft elev
21M
9:23/mi
2:51:35
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:24/mi
2:57:52
↑ 17↓ 861.7%
156 ft elev
23M
8:54/mi
3:09:00
↑ 23↓ 630.6%
116 ft elev
24M
8:33/mi
3:17:33
↓ 821.3%
34 ft elev
40K· 24.85 mi
8:50/mi
3:25:06
↓ 200.3%
20 ft elev
25.2M
9:14/mi
3:28:17
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
8:35/mi
3:37:02
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:43:317:54 /mi⚡ faster
2nd Half
1:53:318:40 /mi+9.7%
Positive split — 9.7% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:4923:337:3523:33
7:35
-
10K
6.21 mi11:38:0647:507:4224:17
7:49
+0:14
15K
9.32 mi12:02:571:12:417:4824:51
8:00
+0:11
20K
12.43 mi12:28:141:37:587:5325:17
8:08
+0:08
Half
13.11 mi12:33:471:43:317:545:33
8:08
0:00
25K
15.53 mi12:53:372:03:217:5619:50
8:11
+0:03
30K
18.64 mi13:20:212:30:058:0326:44
8:36
+0:25
20M
20.00 mi13:32:282:42:128:0712:07
8:55
+0:19
21M
21.00 mi13:41:512:51:358:109:23
9:23
+0:28
35K
21.75 mi13:48:082:57:528:116:17
8:24
-0:59
23M
23.00 mi13:59:163:09:008:1311:08
8:54
+0:30
24M
24.00 mi14:07:493:17:338:148:33
8:33
-0:21
40K
24.85 mi14:15:223:25:068:157:33
8:50
+0:17
25.2M
25.20 mi14:18:333:28:178:163:11
9:14
+0:24
Finish
26.22 mi14:27:183:37:028:178:45
8:35
-0:39

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

7:35 /mi

Average Pace

8:17 /mi

Slowest Pace

9:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

2:03:21

57% of race

Time at Steady Pace

50:19

23% of race

Time at Slower Pace

43:22

20% of race

Average Pace: 8:17 /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 mi11:13:4923:337:3523:33
7:35
#10371
10K
6.21 mi11:38:0647:507:4224:17
7:49
#11804
15K
9.32 mi12:02:571:12:417:4824:51
8:00
#12673
20K
12.43 mi12:28:141:37:587:5325:17
8:08
#13163
Half
13.11 mi12:33:471:43:317:545:33
8:08
#13289
25K
15.53 mi12:53:372:03:217:5619:50
8:11
#13391
30K
18.64 mi13:20:212:30:058:0326:44
8:36
#13687
20M
20.00 mi13:32:282:42:128:0712:07
8:55
#13913
21M
21.00 mi13:41:512:51:358:109:23
9:23
#13993
35K
21.75 mi13:48:082:57:528:116:17
8:24
#14005
23M
23.00 mi13:59:163:09:008:1311:08
8:54
#14078
24M
24.00 mi14:07:493:17:338:148:33
8:33
#14109
40K
24.85 mi14:15:223:25:068:157:33
8:50
#14149
25.2M
25.20 mi14:18:333:28:178:163:11
9:14
#14131
Finish
26.22 mi14:27:183:37:028:178:45
8:35
#14202
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi10371202820281438843194319
10K6.21 mi3.10 mi11804-14332770-7422770-7421328636043604
15K9.32 mi3.11 mi12673-8693271-5013271-5011438843194319
20K12.43 mi3.11 mi13163-4903588-3173588-3171451444134413
Half13.11 mi0.68 mi13289-1263658-703658-701535148854885
25K15.53 mi2.42 mi13391-1023742-843742-841410742914291
30K18.64 mi3.11 mi13687-2963952-2103952-2101495548974897
20M20.00 mi1.36 mi13913-2264107-1554107-1551609556185618
21M21.00 mi1.00 mi13993-804181-744181-741540852855285
35K21.75 mi0.75 mi14005-124203-224203-221473549494949
23M23.00 mi1.25 mi14078-734276-734276-731550654515451
24M24.00 mi1.00 mi14109-314315-394315-391478351025102
40K24.85 mi0.85 mi14149-404364-494364-491524954315431
25.2M25.20 mi0.35 mi14131+184363+14363+11385946704670
Finish26.22 mi1.02 mi14202-714426-634426-631592557605760

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21story building
+97ft-345ft

Overall

14388

Females

4319

F40-44

4319

5K→10K

3.1 - 6.2 mi

Top 50%
×5story building
+79ft-138ft

Overall

13286

Females

3604

F40-44

3604

10K→15K

6.2 - 9.3 mi

Top 54%
×3story building
+67ft-78ft

Overall

14388

Females

4319

F40-44

4319

15K→20K

9.3 - 12.4 mi

Top 55%
×5story building
+106ft-86ft

Overall

14514

Females

4413

F40-44

4413

20K→Half

12.4 - 13.1 mi

Top 58%
×2story building
+19ft-37ft

Overall

15351

Females

4885

F40-44

4885

Half→25K

13.1 - 15.5 mi

Top 53%
×4story building
+66ft-88ft

Overall

14107

Females

4291

F40-44

4291

25K→30K

15.5 - 18.6 mi

Top 56%
×9story building
+181ft-148ft

Overall

14955

Females

4897

F40-44

4897

30K→20M

18.6 - 20.0 mi

Top 60%
×5story building
+64ft-50ft

Overall

16095

Females

5618

F40-44

5618

20M→21M

20.0 - 21.0 mi

Top 58%
×8story building
+106ft-24ft

Overall

15408

Females

5285

F40-44

5285

21M→35K

21.0 - 21.8 mi

Top 55%
×7story building
+17ft-86ft

Overall

14735

Females

4949

F40-44

4949

35K→23M

21.8 - 23.0 mi

Top 58%
×5story building
+23ft-63ft

Overall

15506

Females

5451

F40-44

5451

23M→24M

23.0 - 24.0 mi

Top 56%
×6story building
+12ft-82ft

Overall

14783

Females

5102

F40-44

5102

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

15249

Females

5431

F40-44

5431

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1story
+13ft-16ft

Overall

13859

Females

4670

F40-44

4670

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×2story building
+22ft-21ft

Overall

15925

Females

5760

F40-44

5760

Passing Analysis

Category:
Athletes Passed
766
Passed By
4597
Net Change
-3831
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10371
5K → 10K331466-1433#10371#11804
10K → 15K31900-869#11804#12673
15K → 20K65555-490#12673#13163
20K → Half9135-126#13163#13289
Half → 25K114216-102#13289#13391
25K → 30K101397-296#13391#13687
30K → 20M43269-226#13687#13913
20M → 21M67147-80#13913#13993
21M → 35K4456-12#13993#14005
35K → 23M66139-73#14005#14078
23M → 24M5182-31#14078#14109
24M → 40K61101-40#14109#14149
40K → 25.2M4022+18#14149#14131
25.2M → Finish41112-71#14131#14202
TOTALS7664597-3831

Passing Charts

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