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BOSTON MARATHON 2025

Kyra Zitelny

Bib: 11826•F

PA

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

⏱️ 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
7:54/mi
24:34
↑ 97↓ 3451.5%
10K· 6.21 mi
7:44/mi
48:37
↑ 79↓ 1380.4%
15K· 9.32 mi
7:50/mi
1:12:56
↑ 67↓ 78
20K· 12.43 mi
8:18/mi
1:38:43
↑ 106↓ 860.1%
Half· 13.11 mi
8:04/mi
1:44:13
↑ 19↓ 370.5%
25K· 15.53 mi
8:59/mi
2:06:00
↑ 66↓ 880.2%
30K· 18.64 mi
10:10/mi
2:37:36
↑ 181↓ 1480.2%
20M
11:30/mi
2:53:13
↑ 64↓ 500.2%
21M
9:13/mi
3:02:26
↑ 106↓ 241.6%
35K· 21.75 mi
8:09/mi
3:08:32
↑ 17↓ 861.7%
23M
9:55/mi
3:20:57
↑ 23↓ 630.6%
24M
9:12/mi
3:30:09
↓ 821.3%
40K· 24.85 mi
9:47/mi
3:38:31
↓ 200.3%
25.2M
9:08/mi
3:41:40
↑ 13↓ 160.2%
Finish· 26.22 mi
8:00/mi
3:49:49
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:13
Pace7:57 /mi
2nd Half
Distance13.11 mi
Time2:05:36
Pace9:35 /mi
📊Positive Split: 20.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:3424:347:5424:34
7:54
-
10K
6.21 mi11:16:3748:377:4924:03
7:44
-0:10
15K
9.32 mi11:40:561:12:567:4924:19
7:50
+0:06
20K
12.43 mi12:06:431:38:437:5725:47
8:18
+0:28
Half
13.11 mi12:12:131:44:137:575:30
8:04
-0:14
25K
15.53 mi12:34:002:06:008:0721:47
8:59
+0:55
30K
18.64 mi13:05:362:37:368:2731:36
10:10
+1:11
20M
20.00 mi13:21:132:53:138:4015:37
11:30
+1:20
21M
21.00 mi13:30:263:02:268:419:13
9:13
-2:17
35K
21.75 mi13:36:323:08:328:406:06
8:09
-1:04
23M
23.00 mi13:48:573:20:578:4412:25
9:55
+1:46
24M
24.00 mi13:58:093:30:098:459:12
9:12
-0:43
40K
24.85 mi14:06:313:38:318:488:22
9:47
+0:35
25.2M
25.20 mi14:09:403:41:408:483:09
9:08
-0:39
Finish
26.22 mi14:17:493:49:498:468:09
8:00
-1:08

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

7:44 /mi

Average Pace

8:46 /mi

Slowest Pace

11:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:58:28

52% of race

Time at Steady Pace

43:21

19% of race

Time at Slower Pace

1:08:00

30% of race

Average Pace: 8:46 /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 mi10:52:3424:347:5424:34
7:54
#15791
10K
6.21 mi11:16:3748:377:4924:03
7:44
#15004
15K
9.32 mi11:40:561:12:567:4924:19
7:50
#14858
20K
12.43 mi12:06:431:38:437:5725:47
8:18
#15492
Half
13.11 mi12:12:131:44:137:575:30
8:04
#15544
25K
15.53 mi12:34:002:06:008:0721:47
8:59
#16395
30K
18.64 mi13:05:362:37:368:2731:36
10:10
#17819
20M
20.00 mi13:21:132:53:138:4015:37
11:30
#18800
21M
21.00 mi13:30:263:02:268:419:13
9:13
#18543
35K
21.75 mi13:36:323:08:328:406:06
8:09
#18347
23M
23.00 mi13:48:573:20:578:4412:25
9:55
#18505
24M
24.00 mi13:58:093:30:098:459:12
9:12
#18507
40K
24.85 mi14:06:313:38:318:488:22
9:47
#18556
25.2M
25.20 mi14:09:403:41:408:483:09
9:08
#18457
Finish
26.22 mi14:17:493:49:498:468:09
8:00
#18285
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi157915020502014627(Top 51%)4378(Top 36%)4378(Top 80%)
10K6.21 mi3.10 mi15004+7874555+4654555+46514276(Top 50%)4122(Top 34%)4122(Top 75%)
15K9.32 mi3.11 mi14858+1464475+804475+8014627(Top 51%)4378(Top 36%)4378(Top 80%)
20K12.43 mi3.11 mi15492-6344851-3764851-37616944(Top 60%)5746(Top 47%)5746(Top 105%)
Half13.11 mi0.68 mi15544-524892-414892-4116458(Top 58%)5463(Top 45%)5463(Top 100%)
25K15.53 mi2.42 mi16395-8515404-5125404-51219827(Top 70%)7429(Top 61%)7429(Top 136%)
30K18.64 mi3.11 mi17819-14246299-8956299-89522113(Top 78%)8827(Top 72%)8827(Top 161%)
20M20.00 mi1.36 mi18800-9816858-5596858-55924520(Top 86%)10228(Top 84%)10228(Top 187%)
21M21.00 mi1.00 mi18543+2576746+1126746+11214752(Top 52%)5039(Top 41%)5039(Top 92%)
35K21.75 mi0.75 mi18347+1966650+966650+9613385(Top 47%)4384(Top 36%)4384(Top 80%)
23M23.00 mi1.25 mi18505-1586769-1196769-11920238(Top 71%)8165(Top 67%)8165(Top 149%)
24M24.00 mi1.00 mi18507-26795-266795-2618369(Top 65%)7234(Top 59%)7234(Top 132%)
40K24.85 mi0.85 mi18556-496850-556850-5519774(Top 70%)8026(Top 66%)8026(Top 147%)
25.2M25.20 mi0.35 mi18457+996805+456805+4512690(Top 45%)4369(Top 36%)4369(Top 80%)
Finish26.22 mi1.02 mi18285+1726737+686737+6812921(Top 45%)4404(Top 36%)4404(Top 81%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21story building
+97ft-345ft

Overall

14627

Females

4378

F18-39

4378

5K→10K

3.1 - 6.2 mi

Top 50%
×5story building
+79ft-138ft

Overall

14276

Females

4122

F18-39

4122

10K→15K

6.2 - 9.3 mi

Top 51%
×3story building
+67ft-78ft

Overall

14627

Females

4378

F18-39

4378

15K→20K

9.3 - 12.4 mi

Top 60%
×5story building
+106ft-86ft

Overall

16944

Females

5746

F18-39

5746

20K→Half

12.4 - 13.1 mi

Top 58%
×2story building
+19ft-37ft

Overall

16458

Females

5463

F18-39

5463

Half→25K

13.1 - 15.5 mi

Top 70%
×4story building
+66ft-88ft

Overall

19827

Females

7429

F18-39

7429

25K→30K

15.5 - 18.6 mi

Top 78%
×9story building
+181ft-148ft

Overall

22113

Females

8827

F18-39

8827

30K→20M

18.6 - 20.0 mi

Top 86%
×5story building
+64ft-50ft

Overall

24520

Females

10228

F18-39

10228

20M→21M

20.0 - 21.0 mi

Top 52%
×8story building
+106ft-24ft

Overall

14752

Females

5039

F18-39

5039

21M→35K

21.0 - 21.8 mi

Top 47%
×7story building
+17ft-86ft

Overall

13385

Females

4384

F18-39

4384

35K→23M

21.8 - 23.0 mi

Top 71%
×5story building
+23ft-63ft

Overall

20238

Females

8165

F18-39

8165

23M→24M

23.0 - 24.0 mi

Top 65%
×6story building
+12ft-82ft

Overall

18369

Females

7234

F18-39

7234

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

19774

Females

8026

F18-39

8026

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

12690

Females

4369

F18-39

4369

25.2M→Finish

25.2 - 26.2 mi

Top 45%
×2story building
+22ft-21ft

Overall

12921

Females

4404

F18-39

4404

Passing Analysis

Category:
Athletes Passed
2245
Passed By
4739
Net Change
-2494
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15791
5K → 10K86073+787#15791#15004
10K → 15K267121+146#15004#14858
15K → 20K81715-634#14858#15492
20K → Half1870-52#15492#15544
Half → 25K28879-851#15544#16395
25K → 30K251449-1424#16395#17819
30K → 20M13994-981#17819#18800
20M → 21M26912+257#18800#18543
21M → 35K1971+196#18543#18347
35K → 23M68226-158#18347#18505
23M → 24M7880-2#18505#18507
24M → 40K59108-49#18507#18556
40K → 25.2M1012+99#18556#18457
25.2M → Finish1819+172#18457#18285
TOTALS22454739-2494
📊

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