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BOSTON MARATHON 2023

Isabella Ward

Bib: 17263•F

AZ

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:39
Rank: #15875
Start → 5K
25:39 | 8:15/mi
10K· 6.21 mi
51:47
Rank: #16745 (-870)
5K → 10K
26:08 | 8:25/mi
15K· 9.32 mi
1:17:43
Rank: #16778 (-33)
10K → 15K
25:56 | 8:21/mi
20K· 12.43 mi
1:44:16
Rank: #16863 (-85)
15K → 20K
26:33 | 8:33/mi
Half· 13.11 mi
1:49:59
Rank: #16875 (-12)
20K → Half
5:43 | 8:23/mi
25K· 15.53 mi
2:10:56
Rank: #16914 (-39)
Half → 25K
20:57 | 8:38/mi
30K· 18.64 mi
2:38:18
Rank: #16729 (+185)
25K → 30K
27:22 | 8:49/mi
20M
2:50:36
Rank: #16719 (+10)
30K → 20M
12:18 | 9:03/mi
21M
2:59:37
Rank: #16508 (+211)
20M → 21M
9:01 | 9:01/mi
35K· 21.75 mi
3:06:18
Rank: #16562 (-54)
21M → 35K
6:41 | 8:56/mi
23M
3:17:21
Rank: #16458 (+104)
35K → 23M
11:03 | 8:50/mi
24M
3:26:04
Rank: #16436 (+22)
23M → 24M
8:43 | 8:43/mi
40K· 24.85 mi
3:34:00
Rank: #16457 (-21)
24M → 40K
7:56 | 9:17/mi
25.2M
3:37:19
Rank: #16428 (+29)
40K → 25.2M
3:19 | 9:37/mi
Finish· 26.22 mi
3:46:09
Rank: #16416 (+12)
25.2M → Finish
8:50 | 8:40/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:59
Pace8:23 /mi
2nd Half
Distance13.11 mi
Time1:56:10
Pace8:52 /mi
📊Positive Split: 5.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:1225:398:1525:39
8:15
-
10K
6.21 mi11:42:2051:478:2026:08
8:25
+0:10
15K
9.32 mi12:08:161:17:438:2025:56
8:21
-0:04
20K
12.43 mi12:34:491:44:168:2326:33
8:33
+0:12
Half
13.11 mi12:40:321:49:598:235:43
8:23
-0:10
25K
15.53 mi13:01:292:10:568:2620:57
8:38
+0:15
30K
18.64 mi13:28:512:38:188:3027:22
8:49
+0:11
20M
20.00 mi13:41:092:50:368:3212:18
9:03
+0:14
21M
21.00 mi13:50:102:59:378:339:01
9:01
-0:02
35K
21.75 mi13:56:513:06:188:346:41
8:56
-0:05
23M
23.00 mi14:07:543:17:218:3511:03
8:50
-0:06
24M
24.00 mi14:16:373:26:048:358:43
8:43
-0:07
40K
24.85 mi14:24:333:34:008:377:56
9:17
+0:34
25.2M
25.20 mi14:27:523:37:198:373:19
9:37
+0:20
Finish
26.22 mi14:36:423:46:098:388:50
8:40
-0:57

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

8:15 /mi

Average Pace

8:38 /mi

Slowest Pace

9:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:34:54

95% of race

Time at Steady Pace

11:15

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:38 /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 mi11:16:1225:398:1525:39
8:15
#15875
10K
6.21 mi11:42:2051:478:2026:08
8:25
#16745
15K
9.32 mi12:08:161:17:438:2025:56
8:21
#16778
20K
12.43 mi12:34:491:44:168:2326:33
8:33
#16863
Half
13.11 mi12:40:321:49:598:235:43
8:23
#16875
25K
15.53 mi13:01:292:10:568:2620:57
8:38
#16914
30K
18.64 mi13:28:512:38:188:3027:22
8:49
#16729
20M
20.00 mi13:41:092:50:368:3212:18
9:03
#16719
21M
21.00 mi13:50:102:59:378:339:01
9:01
#16508
35K
21.75 mi13:56:513:06:188:346:41
8:56
#16562
23M
23.00 mi14:07:543:17:218:3511:03
8:50
#16458
24M
24.00 mi14:16:373:26:048:358:43
8:43
#16436
40K
24.85 mi14:24:333:34:008:377:56
9:17
#16457
25.2M
25.20 mi14:27:523:37:198:373:19
9:37
#16428
Finish
26.22 mi14:36:423:46:098:388:50
8:40
#16416
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi158755200520016839(Top 63%)5819(Top 51%)5819(Top 119%)
10K6.21 mi3.10 mi16745-8705743-5435743-54317655(Top 66%)6276(Top 55%)6276(Top 129%)
15K9.32 mi3.11 mi16778-335782-395782-3916839(Top 63%)5819(Top 51%)5819(Top 119%)
20K12.43 mi3.11 mi16863-855845-635845-6317152(Top 64%)6021(Top 53%)6021(Top 123%)
Half13.11 mi0.68 mi16875-125848-35848-317040(Top 64%)5919(Top 52%)5919(Top 121%)
25K15.53 mi2.42 mi16914-395900-525900-5217046(Top 64%)6030(Top 53%)6030(Top 123%)
30K18.64 mi3.11 mi16729+1855816+845816+8416135(Top 61%)5574(Top 49%)5574(Top 114%)
20M20.00 mi1.36 mi16719+105821-55821-516818(Top 63%)6043(Top 53%)6043(Top 124%)
21M21.00 mi1.00 mi16508+2115713+1085713+10813552(Top 51%)4247(Top 37%)4247(Top 87%)
35K21.75 mi0.75 mi16562-545752-395752-3917633(Top 66%)6619(Top 58%)6619(Top 136%)
23M23.00 mi1.25 mi16458+1045706+465706+4615151(Top 57%)5268(Top 46%)5268(Top 108%)
24M24.00 mi1.00 mi16436+225715-95715-915774(Top 59%)5687(Top 50%)5687(Top 116%)
40K24.85 mi0.85 mi16457-215749-345749-3417437(Top 65%)6646(Top 58%)6646(Top 136%)
25.2M25.20 mi0.35 mi16428+295739+105739+1015792(Top 59%)5748(Top 50%)5748(Top 118%)
Finish26.22 mi1.02 mi16416+125733+65733+616352(Top 61%)6021(Top 53%)6021(Top 123%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21stories
+97ft-345ft

Overall

16839

Females

5819

F18-39

5819

5K→10K

3.1 - 6.2 mi

Top 66%
×5stories
+79ft-138ft

Overall

17655

Females

6276

F18-39

6276

10K→15K

6.2 - 9.3 mi

Top 63%
×3stories
+67ft-78ft

Overall

16839

Females

5819

F18-39

5819

15K→20K

9.3 - 12.4 mi

Top 64%
×5stories
+106ft-86ft

Overall

17152

Females

6021

F18-39

6021

20K→Half

12.4 - 13.1 mi

Top 64%
×2stories
+19ft-37ft

Overall

17040

Females

5919

F18-39

5919

Half→25K

13.1 - 15.5 mi

Top 64%
×4stories
+66ft-88ft

Overall

17046

Females

6030

F18-39

6030

25K→30K

15.5 - 18.6 mi

Top 61%
×9stories
+181ft-148ft

Overall

16135

Females

5574

F18-39

5574

30K→20M

18.6 - 20.0 mi

Top 63%
×5stories
+64ft-50ft

Overall

16818

Females

6043

F18-39

6043

20M→21M

20.0 - 21.0 mi

Top 51%
×8stories
+106ft-24ft

Overall

13552

Females

4247

F18-39

4247

21M→35K

21.0 - 21.8 mi

Top 66%
×7stories
+17ft-86ft

Overall

17633

Females

6619

F18-39

6619

35K→23M

21.8 - 23.0 mi

Top 57%
×5stories
+23ft-63ft

Overall

15151

Females

5268

F18-39

5268

23M→24M

23.0 - 24.0 mi

Top 59%
×6stories
+12ft-82ft

Overall

15774

Females

5687

F18-39

5687

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

17437

Females

6646

F18-39

6646

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1story
+13ft-16ft

Overall

15792

Females

5748

F18-39

5748

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2stories
+22ft-21ft

Overall

16352

Females

6021

F18-39

6021

Passing Analysis

Category:
Athletes Passed
1510
Passed By
2051
Net Change
-541
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15875
5K → 10K63933-870#15875#16745
10K → 15K185218-33#16745#16778
15K → 20K153238-85#16778#16863
20K → Half2638-12#16863#16875
Half → 25K101140-39#16875#16914
25K → 30K26075+185#16914#16729
30K → 20M8979+10#16729#16719
20M → 21M2176+211#16719#16508
21M → 35K3286-54#16508#16562
35K → 23M13632+104#16562#16458
23M → 24M7351+22#16458#16436
24M → 40K6687-21#16436#16457
40K → 25.2M4314+29#16457#16428
25.2M → Finish6654+12#16428#16416
TOTALS15102051-541
📊

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