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BOSTON MARATHON 2025

Arianna Shimits

Bib: 16210•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 35%
Gender (Female)
#0 / 12228
Top 18%
Division (F18-39)
#0 / 5469
Top 31%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:14
Rank: #9127
Start → 5K
22:14 | 7:09/mi
10K· 6.21 mi
44:29
Rank: #9115 (+12)
5K → 10K
22:15 | 7:10/mi
15K· 9.32 mi
1:07:04
Rank: #9303 (-188)
10K → 15K
22:35 | 7:16/mi
20K· 12.43 mi
1:30:20
Rank: #9592 (-289)
15K → 20K
23:16 | 7:29/mi
Half· 13.11 mi
1:35:21
Rank: #9625 (-33)
20K → Half
5:01 | 7:21/mi
25K· 15.53 mi
1:53:35
Rank: #9674 (-49)
Half → 25K
18:14 | 7:31/mi
30K· 18.64 mi
2:17:55
Rank: #9699 (-25)
25K → 30K
24:20 | 7:50/mi
20M
2:28:37
Rank: #9647 (+52)
30K → 20M
10:42 | 7:52/mi
21M
2:36:53
Rank: #9562 (+85)
20M → 21M
8:16 | 8:16/mi
35K· 21.75 mi
2:42:38
Rank: #9561 (+1)
21M → 35K
5:45 | 7:41/mi
23M
2:52:48
Rank: #9616 (-55)
35K → 23M
10:10 | 8:07/mi
24M
3:00:47
Rank: #9663 (-47)
23M → 24M
7:59 | 7:59/mi
40K· 24.85 mi
3:07:43
Rank: #9687 (-24)
24M → 40K
6:56 | 8:07/mi
25.2M
3:10:44
Rank: #9679 (+8)
40K → 25.2M
3:01 | 8:45/mi
Finish· 26.22 mi
3:19:00
Rank: #9829 (-150)
25.2M → Finish
8:16 | 8:07/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:21
Pace7:16 /mi
2nd Half
Distance13.11 mi
Time1:43:39
Pace7:54 /mi
📊Positive Split: 8.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:4522:147:0922:14
7:09
-
10K
6.21 mi11:18:0044:297:1022:15
7:10
+0:01
15K
9.32 mi11:40:351:07:047:1222:35
7:16
+0:06
20K
12.43 mi12:03:511:30:207:1623:16
7:29
+0:13
Half
13.11 mi12:08:521:35:217:165:01
7:21
-0:08
25K
15.53 mi12:27:061:53:357:1918:14
7:31
+0:10
30K
18.64 mi12:51:262:17:557:2424:20
7:50
+0:19
20M
20.00 mi13:02:082:28:377:2610:42
7:52
+0:02
21M
21.00 mi13:10:242:36:537:288:16
8:16
+0:24
35K
21.75 mi13:16:092:42:387:295:45
7:41
-0:35
23M
23.00 mi13:26:192:52:487:3110:10
8:07
+0:26
24M
24.00 mi13:34:183:00:477:327:59
7:59
-0:08
40K
24.85 mi13:41:143:07:437:336:56
8:07
+0:08
25.2M
25.20 mi13:44:153:10:447:343:01
8:45
+0:38
Finish
26.22 mi13:52:313:19:007:368:16
8:07
-0:38

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

7:09 /mi

Average Pace

7:36 /mi

Slowest Pace

8:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:53:35

57% of race

Time at Steady Pace

48:46

25% of race

Time at Slower Pace

36:39

18% of race

Average Pace: 7:35 /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 mi10:55:4522:147:0922:14
7:09
#9127
10K
6.21 mi11:18:0044:297:1022:15
7:10
#9115
15K
9.32 mi11:40:351:07:047:1222:35
7:16
#9303
20K
12.43 mi12:03:511:30:207:1623:16
7:29
#9592
Half
13.11 mi12:08:521:35:217:165:01
7:21
#9625
25K
15.53 mi12:27:061:53:357:1918:14
7:31
#9674
30K
18.64 mi12:51:262:17:557:2424:20
7:50
#9699
20M
20.00 mi13:02:082:28:377:2610:42
7:52
#9647
21M
21.00 mi13:10:242:36:537:288:16
8:16
#9562
35K
21.75 mi13:16:092:42:387:295:45
7:41
#9561
23M
23.00 mi13:26:192:52:487:3110:10
8:07
#9616
24M
24.00 mi13:34:183:00:477:327:59
7:59
#9663
40K
24.85 mi13:41:143:07:437:336:56
8:07
#9687
25.2M
25.20 mi13:44:153:10:447:343:01
8:45
#9679
Finish
26.22 mi13:52:313:19:007:368:16
8:07
#9829
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9127142314239739(Top 34%)1771(Top 14%)1771(Top 32%)
10K6.21 mi3.10 mi9115+121422+11422+19183(Top 32%)1456(Top 12%)1456(Top 27%)
15K9.32 mi3.11 mi9303-1881522-1001522-1009739(Top 34%)1771(Top 14%)1771(Top 32%)
20K12.43 mi3.11 mi9592-2891685-1631685-16310678(Top 38%)2301(Top 19%)2301(Top 42%)
Half13.11 mi0.68 mi9625-331705-201705-2010535(Top 37%)2200(Top 18%)2200(Top 40%)
25K15.53 mi2.42 mi9674-491755-501755-5010161(Top 36%)2166(Top 18%)2166(Top 40%)
30K18.64 mi3.11 mi9699-251825-701825-7010170(Top 36%)2362(Top 19%)2362(Top 43%)
20M20.00 mi1.36 mi9647+521834-91834-99554(Top 34%)2243(Top 18%)2243(Top 41%)
21M21.00 mi1.00 mi9562+851825+91825+99034(Top 32%)2177(Top 18%)2177(Top 40%)
35K21.75 mi0.75 mi9561+11839-141839-1410007(Top 35%)2593(Top 21%)2593(Top 47%)
23M23.00 mi1.25 mi9616-551913-741913-7410872(Top 38%)3159(Top 26%)3159(Top 58%)
24M24.00 mi1.00 mi9663-471974-611974-6111125(Top 39%)3357(Top 27%)3357(Top 61%)
40K24.85 mi0.85 mi9687-242023-492023-4910956(Top 39%)3373(Top 28%)3373(Top 62%)
25.2M25.20 mi0.35 mi9679+82034-112034-1110325(Top 36%)3161(Top 26%)3161(Top 58%)
Finish26.22 mi1.02 mi9829-1502145-1112145-11113679(Top 48%)4777(Top 39%)4777(Top 87%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21stories
+97ft-345ft

Overall

9739

Females

1771

F18-39

1771

5K→10K

3.1 - 6.2 mi

Top 32%
×5stories
+79ft-138ft

Overall

9183

Females

1456

F18-39

1456

10K→15K

6.2 - 9.3 mi

Top 34%
×3stories
+67ft-78ft

Overall

9739

Females

1771

F18-39

1771

15K→20K

9.3 - 12.4 mi

Top 38%
×5stories
+106ft-86ft

Overall

10678

Females

2301

F18-39

2301

20K→Half

12.4 - 13.1 mi

Top 37%
×2stories
+19ft-37ft

Overall

10535

Females

2200

F18-39

2200

Half→25K

13.1 - 15.5 mi

Top 36%
×4stories
+66ft-88ft

Overall

10161

Females

2166

F18-39

2166

25K→30K

15.5 - 18.6 mi

Top 36%
×9stories
+181ft-148ft

Overall

10170

Females

2362

F18-39

2362

30K→20M

18.6 - 20.0 mi

Top 34%
×5stories
+64ft-50ft

Overall

9554

Females

2243

F18-39

2243

20M→21M

20.0 - 21.0 mi

Top 32%
×8stories
+106ft-24ft

Overall

9034

Females

2177

F18-39

2177

21M→35K

21.0 - 21.8 mi

Top 35%
×7stories
+17ft-86ft

Overall

10007

Females

2593

F18-39

2593

35K→23M

21.8 - 23.0 mi

Top 38%
×5stories
+23ft-63ft

Overall

10872

Females

3159

F18-39

3159

23M→24M

23.0 - 24.0 mi

Top 39%
×6stories
+12ft-82ft

Overall

11125

Females

3357

F18-39

3357

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

10956

Females

3373

F18-39

3373

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1story
+13ft-16ft

Overall

10325

Females

3161

F18-39

3161

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2stories
+22ft-21ft

Overall

13679

Females

4777

F18-39

4777

Passing Analysis

Category:
Athletes Passed
1446
Passed By
2147
Net Change
-702
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9127
5K → 10K230218+12#9127#9115
10K → 15K99287-188#9115#9303
15K → 20K113402-289#9303#9592
20K → Half1851-33#9592#9625
Half → 25K141190-49#9625#9674
25K → 30K226251-25#9674#9699
30K → 20M12471+52#9699#9647
20M → 21M12843+85#9647#9562
21M → 35K6362+1#9562#9561
35K → 23M90145-55#9561#9616
23M → 24M73120-47#9616#9663
24M → 40K6690-24#9663#9687
40K → 25.2M4335+8#9687#9679
25.2M → Finish32182-150#9679#9829
TOTALS14462147-702
📊

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