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BOSTON MARATHON 2025

Gwendolyn Kranzle Stia

Bib: 21269•F

NJ

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 43%
Masters (Masters Women)
#0 / 6759
Top 30%
Division (F45-49)
#0 / 1813
Top 36%
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
7:52/mi
24:25
↑ 97↓ 3451.5%
10K· 6.21 mi
7:54/mi
48:59
↑ 79↓ 1380.4%
15K· 9.32 mi
8:00/mi
1:13:51
↑ 67↓ 78
20K· 12.43 mi
8:13/mi
1:39:23
↑ 106↓ 860.1%
Half· 13.11 mi
8:05/mi
1:44:54
↑ 19↓ 370.5%
25K· 15.53 mi
8:26/mi
2:05:22
↑ 66↓ 880.2%
30K· 18.64 mi
8:48/mi
2:32:41
↑ 181↓ 1480.2%
20M
8:59/mi
2:44:54
↑ 64↓ 500.2%
21M
9:30/mi
2:54:24
↑ 106↓ 241.6%
35K· 21.75 mi
8:36/mi
3:00:50
↑ 17↓ 861.7%
23M
8:54/mi
3:11:58
↑ 23↓ 630.6%
24M
8:38/mi
3:20:36
↓ 821.3%
40K· 24.85 mi
8:46/mi
3:28:06
↓ 200.3%
25.2M
9:23/mi
3:31:20
↑ 13↓ 160.2%
Finish· 26.22 mi
8:07/mi
3:39:36
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:54
Pace8:00 /mi
2nd Half
Distance13.11 mi
Time1:54:42
Pace8:45 /mi
📊Positive Split: 9.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:5024:257:5224:25
7:52
-
10K
6.21 mi11:42:2448:597:5324:34
7:54
+0:02
15K
9.32 mi12:07:161:13:517:5524:52
8:00
+0:06
20K
12.43 mi12:32:481:39:238:0025:32
8:13
+0:13
Half
13.11 mi12:38:191:44:548:005:31
8:05
-0:08
25K
15.53 mi12:58:472:05:228:0420:28
8:26
+0:21
30K
18.64 mi13:26:062:32:418:1127:19
8:48
+0:22
20M
20.00 mi13:38:192:44:548:1512:13
8:59
+0:11
21M
21.00 mi13:47:492:54:248:189:30
9:30
+0:31
35K
21.75 mi13:54:153:00:508:196:26
8:36
-0:54
23M
23.00 mi14:05:233:11:588:2111:08
8:54
+0:18
24M
24.00 mi14:14:013:20:368:228:38
8:38
-0:16
40K
24.85 mi14:21:313:28:068:227:30
8:46
+0:08
25.2M
25.20 mi14:24:453:31:208:233:14
9:23
+0:37
Finish
26.22 mi14:33:013:39:368:238:16
8:07
-1:16

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

7:52 /mi

Average Pace

8:23 /mi

Slowest Pace

9:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:53:10

52% of race

Time at Steady Pace

1:10:21

32% of race

Time at Slower Pace

36:05

16% of race

Average Pace: 8:23 /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 mi11:17:5024:257:5224:25
7:52
#15346
10K
6.21 mi11:42:2448:597:5324:34
7:54
#15515
15K
9.32 mi12:07:161:13:517:5524:52
8:00
#15710
20K
12.43 mi12:32:481:39:238:0025:32
8:13
#15905
Half
13.11 mi12:38:191:44:548:005:31
8:05
#15939
25K
15.53 mi12:58:472:05:228:0420:28
8:26
#16098
30K
18.64 mi13:26:062:32:418:1127:19
8:48
#16159
20M
20.00 mi13:38:192:44:548:1512:13
8:59
#16170
21M
21.00 mi13:47:492:54:248:189:30
9:30
#16114
35K
21.75 mi13:54:153:00:508:196:26
8:36
#16086
23M
23.00 mi14:05:233:11:588:2111:08
8:54
#15994
24M
24.00 mi14:14:013:20:368:228:38
8:38
#15958
40K
24.85 mi14:21:313:28:068:227:30
8:46
#15895
25.2M
25.20 mi14:24:453:31:208:233:14
9:23
#15851
Finish
26.22 mi14:33:013:39:368:238:16
8:07
#15769
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi153464749474916089(Top 57%)5194(Top 42%)5194(Top 286%)
10K6.21 mi3.10 mi15515-1694851-1024851-10215727(Top 55%)4966(Top 41%)4966(Top 274%)
15K9.32 mi3.11 mi15710-1954958-1074958-10716089(Top 57%)5194(Top 42%)5194(Top 286%)
20K12.43 mi3.11 mi15905-1955096-1385096-13816432(Top 58%)5452(Top 45%)5452(Top 301%)
Half13.11 mi0.68 mi15939-345113-175113-1716559(Top 58%)5505(Top 45%)5505(Top 304%)
25K15.53 mi2.42 mi16098-1595219-1065219-10616823(Top 59%)5750(Top 47%)5750(Top 317%)
30K18.64 mi3.11 mi16159-615317-985317-9816565(Top 58%)5781(Top 47%)5781(Top 319%)
20M20.00 mi1.36 mi16170-115368-515368-5116739(Top 59%)5992(Top 49%)5992(Top 331%)
21M21.00 mi1.00 mi16114+565367+15367+116094(Top 57%)5753(Top 47%)5753(Top 317%)
35K21.75 mi0.75 mi16086+285370-35370-316079(Top 57%)5822(Top 48%)5822(Top 321%)
23M23.00 mi1.25 mi15994+925361+95361+915649(Top 55%)5691(Top 47%)5691(Top 314%)
24M24.00 mi1.00 mi15958+365355+65355+615370(Top 54%)5581(Top 46%)5581(Top 308%)
40K24.85 mi0.85 mi15895+635342+135342+1315043(Top 53%)5538(Top 45%)5538(Top 305%)
25.2M25.20 mi0.35 mi15851+445333+95333+913958(Top 49%)5001(Top 41%)5001(Top 276%)
Finish26.22 mi1.02 mi15769+825311+225311+2213713(Top 48%)4811(Top 39%)4811(Top 265%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21story building
+97ft-345ft

Overall

16089

Females

5194

F45-49

5194

5K→10K

3.1 - 6.2 mi

Top 55%
×5story building
+79ft-138ft

Overall

15727

Females

4966

F45-49

4966

10K→15K

6.2 - 9.3 mi

Top 57%
×3story building
+67ft-78ft

Overall

16089

Females

5194

F45-49

5194

15K→20K

9.3 - 12.4 mi

Top 58%
×5story building
+106ft-86ft

Overall

16432

Females

5452

F45-49

5452

20K→Half

12.4 - 13.1 mi

Top 58%
×2story building
+19ft-37ft

Overall

16559

Females

5505

F45-49

5505

Half→25K

13.1 - 15.5 mi

Top 59%
×4story building
+66ft-88ft

Overall

16823

Females

5750

F45-49

5750

25K→30K

15.5 - 18.6 mi

Top 58%
×9story building
+181ft-148ft

Overall

16565

Females

5781

F45-49

5781

30K→20M

18.6 - 20.0 mi

Top 59%
×5story building
+64ft-50ft

Overall

16739

Females

5992

F45-49

5992

20M→21M

20.0 - 21.0 mi

Top 57%
×8story building
+106ft-24ft

Overall

16094

Females

5753

F45-49

5753

21M→35K

21.0 - 21.8 mi

Top 57%
×7story building
+17ft-86ft

Overall

16079

Females

5822

F45-49

5822

35K→23M

21.8 - 23.0 mi

Top 55%
×5story building
+23ft-63ft

Overall

15649

Females

5691

F45-49

5691

23M→24M

23.0 - 24.0 mi

Top 54%
×6story building
+12ft-82ft

Overall

15370

Females

5581

F45-49

5581

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

15043

Females

5538

F45-49

5538

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

13958

Females

5001

F45-49

5001

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2story building
+22ft-21ft

Overall

13713

Females

4811

F45-49

4811

Passing Analysis

Category:
Athletes Passed
1680
Passed By
2103
Net Change
-423
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15346
5K → 10K232401-169#15346#15515
10K → 15K138333-195#15515#15710
15K → 20K140335-195#15710#15905
20K → Half2660-34#15905#15939
Half → 25K123282-159#15939#16098
25K → 30K203264-61#16098#16159
30K → 20M117128-11#16159#16170
20M → 21M12569+56#16170#16114
21M → 35K7850+28#16114#16086
35K → 23M14856+92#16086#15994
23M → 24M8044+36#15994#15958
24M → 40K9936+63#15958#15895
40K → 25.2M5713+44#15895#15851
25.2M → Finish11432+82#15851#15769
TOTALS16802103-423
📊

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