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BOSTON MARATHON 2023

Dina Nagdimunova

Bib: 17200•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 46%
Gender (Female)
#0 / 11423
Top 28%
Division (F18-39)
#0 / 4884
Top 46%
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
7:58/mi
24:45
↑ 97↓ 3451.5%
10K· 6.21 mi
7:52/mi
49:11
↑ 79↓ 1380.4%
15K· 9.32 mi
7:57/mi
1:13:52
↑ 67↓ 78
20K· 12.43 mi
8:02/mi
1:38:50
↑ 106↓ 860.1%
Half· 13.11 mi
7:46/mi
1:44:08
↑ 19↓ 370.5%
25K· 15.53 mi
7:50/mi
2:03:08
↑ 66↓ 880.2%
30K· 18.64 mi
8:03/mi
2:28:08
↑ 181↓ 1480.2%
20M
8:06/mi
2:39:09
↑ 64↓ 500.2%
21M
8:29/mi
2:47:38
↑ 106↓ 241.6%
35K· 21.75 mi
7:48/mi
2:53:28
↑ 17↓ 861.7%
23M
8:09/mi
3:03:40
↑ 23↓ 630.6%
24M
8:00/mi
3:11:40
↓ 821.3%
40K· 24.85 mi
8:09/mi
3:18:38
↓ 200.3%
25.2M
8:45/mi
3:21:39
↑ 13↓ 160.2%
Finish· 26.22 mi
7:55/mi
3:29:43
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:08
Pace7:57 /mi
2nd Half
Distance13.11 mi
Time1:45:35
Pace8:03 /mi
📊Positive Split: 1.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:0524:457:5824:45
7:58
-
10K
6.21 mi11:40:3149:117:5524:26
7:52
-0:06
15K
9.32 mi12:05:121:13:527:5624:41
7:57
+0:05
20K
12.43 mi12:30:101:38:507:5724:58
8:02
+0:05
Half
13.11 mi12:35:281:44:087:575:18
7:46
-0:16
25K
15.53 mi12:54:282:03:087:5619:00
7:50
+0:04
30K
18.64 mi13:19:282:28:087:5725:00
8:03
+0:13
20M
20.00 mi13:30:292:39:097:5711:01
8:06
+0:03
21M
21.00 mi13:38:582:47:387:598:29
8:29
+0:23
35K
21.75 mi13:44:482:53:287:595:50
7:48
-0:41
23M
23.00 mi13:55:003:03:407:5910:12
8:09
+0:21
24M
24.00 mi14:03:003:11:407:598:00
8:00
-0:09
40K
24.85 mi14:09:583:18:388:006:58
8:09
+0:09
25.2M
25.20 mi14:12:593:21:398:003:01
8:45
+0:36
Finish
26.22 mi14:21:033:29:438:008:04
7:55
-0:50

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

7:46 /mi

Average Pace

8:00 /mi

Slowest Pace

8:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:26:42

99% of race

Time at Steady Pace

3:01

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:00 /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 mi11:16:0524:457:5824:45
7:58
#13774
10K
6.21 mi11:40:3149:117:5524:26
7:52
#13707
15K
9.32 mi12:05:121:13:527:5624:41
7:57
#13777
20K
12.43 mi12:30:101:38:507:5724:58
8:02
#13726
Half
13.11 mi12:35:281:44:087:575:18
7:46
#13657
25K
15.53 mi12:54:282:03:087:5619:00
7:50
#13284
30K
18.64 mi13:19:282:28:087:5725:00
8:03
#12874
20M
20.00 mi13:30:292:39:097:5711:01
8:06
#12682
21M
21.00 mi13:38:582:47:387:598:29
8:29
#12509
35K
21.75 mi13:44:482:53:287:595:50
7:48
#12442
23M
23.00 mi13:55:003:03:407:5910:12
8:09
#12333
24M
24.00 mi14:03:003:11:407:598:00
8:00
#12278
40K
24.85 mi14:09:583:18:388:006:58
8:09
#12220
25.2M
25.20 mi14:12:593:21:398:003:01
8:45
#12196
Finish
26.22 mi14:21:033:29:438:008:04
7:55
#12170
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi137743886388613955(Top 52%)4054(Top 35%)4054(Top 83%)
10K6.21 mi3.10 mi13707+673868+183868+1813687(Top 51%)3847(Top 34%)3847(Top 79%)
15K9.32 mi3.11 mi13777-703927-593927-5913955(Top 52%)4054(Top 35%)4054(Top 83%)
20K12.43 mi3.11 mi13726+513921+63921+613732(Top 52%)3952(Top 35%)3952(Top 81%)
Half13.11 mi0.68 mi13657+693883+383883+3812503(Top 47%)3206(Top 28%)3206(Top 66%)
25K15.53 mi2.42 mi13284+3733672+2113672+21111417(Top 43%)2729(Top 24%)2729(Top 56%)
30K18.64 mi3.11 mi12874+4103477+1953477+19511285(Top 42%)2785(Top 24%)2785(Top 57%)
20M20.00 mi1.36 mi12682+1923386+913386+9111102(Top 42%)2791(Top 24%)2791(Top 57%)
21M21.00 mi1.00 mi12509+1733307+793307+7910423(Top 39%)2594(Top 23%)2594(Top 53%)
35K21.75 mi0.75 mi12442+673283+243283+2410698(Top 40%)2732(Top 24%)2732(Top 56%)
23M23.00 mi1.25 mi12333+1093248+353248+3510837(Top 41%)2939(Top 26%)2939(Top 60%)
24M24.00 mi1.00 mi12278+553232+163232+1611263(Top 42%)3225(Top 28%)3225(Top 66%)
40K24.85 mi0.85 mi12220+583216+163216+1611045(Top 41%)3170(Top 28%)3170(Top 65%)
25.2M25.20 mi0.35 mi12196+243213+33213+311092(Top 42%)3250(Top 28%)3250(Top 67%)
Finish26.22 mi1.02 mi12170+263219-63219-611530(Top 43%)3460(Top 30%)3460(Top 71%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21story building
+97ft-345ft

Overall

13955

Females

4054

F18-39

4054

5K→10K

3.1 - 6.2 mi

Top 51%
×5story building
+79ft-138ft

Overall

13687

Females

3847

F18-39

3847

10K→15K

6.2 - 9.3 mi

Top 52%
×3story building
+67ft-78ft

Overall

13955

Females

4054

F18-39

4054

15K→20K

9.3 - 12.4 mi

Top 52%
×5story building
+106ft-86ft

Overall

13732

Females

3952

F18-39

3952

20K→Half

12.4 - 13.1 mi

Top 47%
×2story building
+19ft-37ft

Overall

12503

Females

3206

F18-39

3206

Half→25K

13.1 - 15.5 mi

Top 43%
×4story building
+66ft-88ft

Overall

11417

Females

2729

F18-39

2729

25K→30K

15.5 - 18.6 mi

Top 42%
×9story building
+181ft-148ft

Overall

11285

Females

2785

F18-39

2785

30K→20M

18.6 - 20.0 mi

Top 42%
×5story building
+64ft-50ft

Overall

11102

Females

2791

F18-39

2791

20M→21M

20.0 - 21.0 mi

Top 39%
×8story building
+106ft-24ft

Overall

10423

Females

2594

F18-39

2594

21M→35K

21.0 - 21.8 mi

Top 40%
×7story building
+17ft-86ft

Overall

10698

Females

2732

F18-39

2732

35K→23M

21.8 - 23.0 mi

Top 41%
×5story building
+23ft-63ft

Overall

10837

Females

2939

F18-39

2939

23M→24M

23.0 - 24.0 mi

Top 42%
×6story building
+12ft-82ft

Overall

11263

Females

3225

F18-39

3225

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

11045

Females

3170

F18-39

3170

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1story
+13ft-16ft

Overall

11092

Females

3250

F18-39

3250

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2story building
+22ft-21ft

Overall

11530

Females

3460

F18-39

3460

Passing Analysis

Category:
Athletes Passed
2527
Passed By
923
Net Change
+1604
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13774
5K → 10K335268+67#13774#13707
10K → 15K147217-70#13707#13777
15K → 20K201150+51#13777#13726
20K → Half734+69#13726#13657
Half → 25K3818+373#13657#13284
25K → 30K44636+410#13284#12874
30K → 20M21018+192#12874#12682
20M → 21M19724+173#12682#12509
21M → 35K8215+67#12509#12442
35K → 23M13829+109#12442#12333
23M → 24M8934+55#12333#12278
24M → 40K8224+58#12278#12220
40K → 25.2M4824+24#12220#12196
25.2M → Finish9872+26#12196#12170
TOTALS2527923+1604
📊

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