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BOSTON MARATHON 2025

Kristin Partenza

Bib: 16829•F

CT

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 49%
Gender (Female)
#0 / 12228
Top 35%
Masters (Masters Women)
#0 / 6759
Top 20%
Division (F45-49)
#0 / 1813
Top 23%
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
7:55/mi
24:36
↑ 97↓ 3451.5%
10K· 6.21 mi
7:58/mi
49:21
↑ 79↓ 1380.4%
15K· 9.32 mi
7:58/mi
1:14:05
↑ 67↓ 78
20K· 12.43 mi
8:01/mi
1:38:58
↑ 106↓ 860.1%
Half· 13.11 mi
7:53/mi
1:44:21
↑ 19↓ 370.5%
25K· 15.53 mi
8:05/mi
2:03:56
↑ 66↓ 880.2%
30K· 18.64 mi
8:21/mi
2:29:54
↑ 181↓ 1480.2%
20M
8:25/mi
2:41:20
↑ 64↓ 500.2%
21M
9:02/mi
2:50:22
↑ 106↓ 241.6%
35K· 21.75 mi
7:46/mi
2:56:11
↑ 17↓ 861.7%
23M
8:14/mi
3:06:29
↑ 23↓ 630.6%
24M
7:58/mi
3:14:27
↓ 821.3%
40K· 24.85 mi
8:15/mi
3:21:30
↓ 200.3%
25.2M
9:02/mi
3:24:37
↑ 13↓ 160.2%
Finish· 26.22 mi
7:40/mi
3:32:26
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:21
Pace7:58 /mi
2nd Half
Distance13.11 mi
Time1:48:05
Pace8:15 /mi
📊Positive Split: 3.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:58:2224:367:5524:36
7:55
-
10K
6.21 mi11:23:0749:217:5724:45
7:58
+0:03
15K
9.32 mi11:47:511:14:057:5724:44
7:58
0:00
20K
12.43 mi12:12:441:38:587:5824:53
8:01
+0:03
Half
13.11 mi12:18:071:44:217:585:23
7:53
-0:08
25K
15.53 mi12:37:422:03:567:5919:35
8:05
+0:12
30K
18.64 mi13:03:402:29:548:0225:58
8:21
+0:16
20M
20.00 mi13:15:062:41:208:0411:26
8:25
+0:04
21M
21.00 mi13:24:082:50:228:079:02
9:02
+0:37
35K
21.75 mi13:29:572:56:118:065:49
7:46
-1:16
23M
23.00 mi13:40:153:06:298:0610:18
8:14
+0:28
24M
24.00 mi13:48:133:14:278:067:58
7:58
-0:16
40K
24.85 mi13:55:163:21:308:067:03
8:15
+0:17
25.2M
25.20 mi13:58:233:24:378:073:07
9:02
+0:47
Finish
26.22 mi14:06:123:32:268:067:49
7:40
-1:22

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

7:40 /mi

Average Pace

8:06 /mi

Slowest Pace

9:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:20:17

94% of race

Time at Steady Pace

12:09

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:06 /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 mi10:58:2224:367:5524:36
7:55
#15882
10K
6.21 mi11:23:0749:217:5724:45
7:58
#16040
15K
9.32 mi11:47:511:14:057:5724:44
7:58
#15904
20K
12.43 mi12:12:441:38:587:5824:53
8:01
#15671
Half
13.11 mi12:18:071:44:217:585:23
7:53
#15626
25K
15.53 mi12:37:422:03:567:5919:35
8:05
#15383
30K
18.64 mi13:03:402:29:548:0225:58
8:21
#15064
20M
20.00 mi13:15:062:41:208:0411:26
8:25
#14872
21M
21.00 mi13:24:082:50:228:079:02
9:02
#14761
35K
21.75 mi13:29:572:56:118:065:49
7:46
#14585
23M
23.00 mi13:40:153:06:298:0610:18
8:14
#14387
24M
24.00 mi13:48:133:14:278:067:58
7:58
#14225
40K
24.85 mi13:55:163:21:308:067:03
8:15
#14097
25.2M
25.20 mi13:58:233:24:378:073:07
9:02
#14049
Finish
26.22 mi14:06:123:32:268:067:49
7:40
#13876
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi158825066506615745(Top 55%)4994(Top 41%)4994(Top 275%)
10K6.21 mi3.10 mi16040-1585162-965162-9616203(Top 57%)5243(Top 43%)5243(Top 289%)
15K9.32 mi3.11 mi15904+1365084+785084+7815745(Top 55%)4994(Top 41%)4994(Top 275%)
20K12.43 mi3.11 mi15671+2334965+1194965+11915018(Top 53%)4650(Top 38%)4650(Top 256%)
Half13.11 mi0.68 mi15626+454945+204945+2015047(Top 53%)4630(Top 38%)4630(Top 255%)
25K15.53 mi2.42 mi15383+2434822+1234822+12314488(Top 51%)4479(Top 37%)4479(Top 247%)
30K18.64 mi3.11 mi15064+3194700+1224700+12213887(Top 49%)4303(Top 35%)4303(Top 237%)
20M20.00 mi1.36 mi14872+1924619+814619+8113257(Top 47%)4118(Top 34%)4118(Top 227%)
21M21.00 mi1.00 mi14761+1114583+364583+3613724(Top 48%)4477(Top 37%)4477(Top 247%)
35K21.75 mi0.75 mi14585+1764500+834500+8310704(Top 38%)2975(Top 24%)2975(Top 164%)
23M23.00 mi1.25 mi14387+1984429+714429+7111568(Top 41%)3523(Top 29%)3523(Top 194%)
24M24.00 mi1.00 mi14225+1624373+564373+5611046(Top 39%)3336(Top 27%)3336(Top 184%)
40K24.85 mi0.85 mi14097+1284332+414332+4111873(Top 42%)3860(Top 32%)3860(Top 213%)
25.2M25.20 mi0.35 mi14049+484315+174315+1712077(Top 43%)4018(Top 33%)4018(Top 222%)
Finish26.22 mi1.02 mi13876+1734256+594256+5910527(Top 37%)3242(Top 27%)3242(Top 179%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21story building
+97ft-345ft

Overall

15745

Females

4994

F45-49

4994

5K→10K

3.1 - 6.2 mi

Top 57%
×5story building
+79ft-138ft

Overall

16203

Females

5243

F45-49

5243

10K→15K

6.2 - 9.3 mi

Top 55%
×3story building
+67ft-78ft

Overall

15745

Females

4994

F45-49

4994

15K→20K

9.3 - 12.4 mi

Top 53%
×5story building
+106ft-86ft

Overall

15018

Females

4650

F45-49

4650

20K→Half

12.4 - 13.1 mi

Top 53%
×2story building
+19ft-37ft

Overall

15047

Females

4630

F45-49

4630

Half→25K

13.1 - 15.5 mi

Top 51%
×4story building
+66ft-88ft

Overall

14488

Females

4479

F45-49

4479

25K→30K

15.5 - 18.6 mi

Top 49%
×9story building
+181ft-148ft

Overall

13887

Females

4303

F45-49

4303

30K→20M

18.6 - 20.0 mi

Top 47%
×5story building
+64ft-50ft

Overall

13257

Females

4118

F45-49

4118

20M→21M

20.0 - 21.0 mi

Top 48%
×8story building
+106ft-24ft

Overall

13724

Females

4477

F45-49

4477

21M→35K

21.0 - 21.8 mi

Top 38%
×7story building
+17ft-86ft

Overall

10704

Females

2975

F45-49

2975

35K→23M

21.8 - 23.0 mi

Top 41%
×5story building
+23ft-63ft

Overall

11568

Females

3523

F45-49

3523

23M→24M

23.0 - 24.0 mi

Top 39%
×6story building
+12ft-82ft

Overall

11046

Females

3336

F45-49

3336

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

11873

Females

3860

F45-49

3860

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

12077

Females

4018

F45-49

4018

25.2M→Finish

25.2 - 26.2 mi

Top 37%
×2story building
+22ft-21ft

Overall

10527

Females

3242

F45-49

3242

Passing Analysis

Category:
Athletes Passed
2962
Passed By
956
Net Change
+2006
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15882
5K → 10K257415-158#15882#16040
10K → 15K272136+136#16040#15904
15K → 20K32693+233#15904#15671
20K → Half5611+45#15671#15626
Half → 25K30057+243#15626#15383
25K → 30K39576+319#15383#15064
30K → 20M23139+192#15064#14872
20M → 21M16655+111#14872#14761
21M → 35K1848+176#14761#14585
35K → 23M21416+198#14585#14387
23M → 24M1697+162#14387#14225
24M → 40K14517+128#14225#14097
40K → 25.2M6012+48#14097#14049
25.2M → Finish18714+173#14049#13876
TOTALS2962956+2006
📊

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