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BOSTON MARATHON 2023

Zarah Dehnashi

Bib: 21510•F

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F55-59)
#0 / 815
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
30:01
Rank: #22537
Start → 5K
9:40/mi
30:01 split
10K· 6.21 mi
1:00:02
Rank: #22779 (-242)
5K → 10K
9:40/mi
30:01 split
15K· 9.32 mi
1:30:02
Rank: #22755 (+24)
10K → 15K
9:40/mi
30:01 split
20K· 12.43 mi
2:00:03
Rank: #22585 (+170)
15K → 20K
9:40/mi
30:01 split
Half· 13.11 mi
2:06:39
Rank: #22579 (+6)
20K → Half
9:40/mi
6:35 split
25K· 15.53 mi
2:30:04
Rank: #22371 (+208)
Half → 25K
9:40/mi
23:25 split
30K· 18.64 mi
3:00:05
Rank: #21951 (+420)
25K → 30K
9:40/mi
30:01 split
20M
3:13:13
Rank: #21767 (+184)
30K → 20M
9:40/mi
13:08 split
21M
3:22:52
Rank: #21534 (+233)
20M → 21M
9:40/mi
9:39 split
35K· 21.75 mi
3:30:06
Rank: #21483 (+51)
21M → 35K
9:40/mi
7:14 split
23M
3:42:11
Rank: #21332 (+151)
35K → 23M
9:40/mi
12:06 split
24M
3:51:51
Rank: #21244 (+88)
23M → 24M
9:40/mi
9:39 split
40K· 24.85 mi
4:00:06
Rank: #21149 (+95)
24M → 40K
9:40/mi
8:16 split
25.2M
4:03:26
Rank: #21080 (+69)
40K → 25.2M
9:40/mi
3:20 split
Finish· 26.22 mi
4:13:17
Rank: #21062 (+18)
25.2M → Finish
9:40/mi
9:51 split

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time2:06:39
Pace9:40 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time2:06:38
Pace9:40 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:4530:019:4030:01
9:40
-
10K
6.21 mi11:51:461:00:029:4030:01
9:40
0:00
15K
9.32 mi12:21:461:30:029:4030:01
9:40
0:00
20K
12.43 mi12:51:472:00:039:4030:01
9:40
0:00
Half
13.11 mi12:58:232:06:399:406:35
9:40
0:00
25K
15.53 mi13:21:482:30:049:4023:25
9:40
0:00
30K
18.64 mi13:51:493:00:059:4030:01
9:40
0:00
20M
20.00 mi14:04:573:13:139:4013:08
9:40
0:00
21M
21.00 mi14:14:363:22:529:409:39
9:40
0:00
35K
21.75 mi14:21:503:30:069:407:14
9:40
0:00
23M
23.00 mi14:33:553:42:119:4012:06
9:40
0:00
24M
24.00 mi14:43:353:51:519:409:39
9:40
0:00
40K
24.85 mi14:51:504:00:069:408:16
9:40
0:00
25.2M
25.20 mi14:55:104:03:269:403:20
9:40
0:00
Finish
26.22 mi15:05:014:13:179:409:51
9:40
0:00

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

9:40 /mi

Average Pace

9:40 /mi

Slowest Pace

9:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:13:17

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:40 /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 mi11:21:4530:019:4030:01
9:40
#22537
10K
6.21 mi11:51:461:00:029:4030:01
9:40
#22779
15K
9.32 mi12:21:461:30:029:4030:01
9:40
#22755
20K
12.43 mi12:51:472:00:039:4030:01
9:40
#22585
Half
13.11 mi12:58:232:06:399:406:35
9:40
#22579
25K
15.53 mi13:21:482:30:049:4023:25
9:40
#22371
30K
18.64 mi13:51:493:00:059:4030:01
9:40
#21951
20M
20.00 mi14:04:573:13:139:4013:08
9:40
#21767
21M
21.00 mi14:14:363:22:529:409:39
9:40
#21534
35K
21.75 mi14:21:503:30:069:407:14
9:40
#21483
23M
23.00 mi14:33:553:42:119:4012:06
9:40
#21332
24M
24.00 mi14:43:353:51:519:409:39
9:40
#21244
40K
24.85 mi14:51:504:00:069:408:16
9:40
#21149
25.2M
25.20 mi14:55:104:03:269:403:20
9:40
#21080
Finish
26.22 mi15:05:014:13:179:409:51
9:40
#21062
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi225379155915522688(Top 85%)9183(Top 80%)9183(Top 1127%)
10K6.21 mi3.10 mi22779-2429245-909245-9022952(Top 86%)9313(Top 82%)9313(Top 1143%)
15K9.32 mi3.11 mi22755+249211+349211+3422688(Top 85%)9183(Top 80%)9183(Top 1127%)
20K12.43 mi3.11 mi22585+1709131+809131+8022033(Top 83%)8822(Top 77%)8822(Top 1082%)
Half13.11 mi0.68 mi22579+69134-39134-322554(Top 85%)9117(Top 80%)9117(Top 1119%)
25K15.53 mi2.42 mi22371+2089041+939041+9321335(Top 80%)8461(Top 74%)8461(Top 1038%)
30K18.64 mi3.11 mi21951+4208809+2328809+23219999(Top 75%)7771(Top 68%)7771(Top 953%)
20M20.00 mi1.36 mi21767+1848717+928717+9219429(Top 73%)7540(Top 66%)7540(Top 925%)
21M21.00 mi1.00 mi21534+2338596+1218596+12116679(Top 63%)6010(Top 53%)6010(Top 737%)
35K21.75 mi0.75 mi21483+518579+178579+1720346(Top 76%)8146(Top 71%)8146(Top 1000%)
23M23.00 mi1.25 mi21332+1518514+658514+6518927(Top 71%)7371(Top 65%)7371(Top 904%)
24M24.00 mi1.00 mi21244+888477+378477+3719752(Top 74%)7843(Top 69%)7843(Top 962%)
40K24.85 mi0.85 mi21149+958436+418436+4118889(Top 71%)7439(Top 65%)7439(Top 913%)
25.2M25.20 mi0.35 mi21080+698405+318405+3115862(Top 60%)5815(Top 51%)5815(Top 713%)
Finish26.22 mi1.02 mi21062+188403+28403+220664(Top 78%)8393(Top 73%)8393(Top 1030%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21story building
+97ft-345ft

Overall

22688

Females

9183

F55-59

9183

5K→10K

3.1 - 6.2 mi

Top 86%
×5story building
+79ft-138ft

Overall

22952

Females

9313

F55-59

9313

10K→15K

6.2 - 9.3 mi

Top 85%
×3story building
+67ft-78ft

Overall

22688

Females

9183

F55-59

9183

15K→20K

9.3 - 12.4 mi

Top 83%
×5story building
+106ft-86ft

Overall

22033

Females

8822

F55-59

8822

20K→Half

12.4 - 13.1 mi

Top 85%
×2story building
+19ft-37ft

Overall

22554

Females

9117

F55-59

9117

Half→25K

13.1 - 15.5 mi

Top 80%
×4story building
+66ft-88ft

Overall

21335

Females

8461

F55-59

8461

25K→30K

15.5 - 18.6 mi

Top 75%
×9story building
+181ft-148ft

Overall

19999

Females

7771

F55-59

7771

30K→20M

18.6 - 20.0 mi

Top 73%
×5story building
+64ft-50ft

Overall

19429

Females

7540

F55-59

7540

20M→21M

20.0 - 21.0 mi

Top 63%
×8story building
+106ft-24ft

Overall

16679

Females

6010

F55-59

6010

21M→35K

21.0 - 21.8 mi

Top 76%
×7story building
+17ft-86ft

Overall

20346

Females

8146

F55-59

8146

35K→23M

21.8 - 23.0 mi

Top 71%
×5story building
+23ft-63ft

Overall

18927

Females

7371

F55-59

7371

23M→24M

23.0 - 24.0 mi

Top 74%
×6story building
+12ft-82ft

Overall

19752

Females

7843

F55-59

7843

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

18889

Females

7439

F55-59

7439

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

15862

Females

5815

F55-59

5815

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2story building
+22ft-21ft

Overall

20664

Females

8393

F55-59

8393

Passing Analysis

Category:
Athletes Passed
2161
Passed By
686
Net Change
+1475
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22537
5K → 10K142384-242#22537#22779
10K → 15K165141+24#22779#22755
15K → 20K22757+170#22755#22585
20K → Half2822+6#22585#22579
Half → 25K21911+208#22579#22371
25K → 30K4233+420#22371#21951
30K → 20M1884+184#21951#21767
20M → 21M2341+233#21767#21534
21M → 35K6110+51#21534#21483
35K → 23M1554+151#21483#21332
23M → 24M968+88#21332#21244
24M → 40K1038+95#21244#21149
40K → 25.2M701+69#21149#21080
25.2M → Finish5032+18#21080#21062
TOTALS2161686+1475
📊

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