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BOSTON MARATHON 2025

Jillian Kupchella

Bib: 5675•F

UT

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 7%
Gender (Female)
#0 / 12228
Top 0.8%
Division (F18-39)
#0 / 5469
Top 2%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:49
Rank: #2976
Start → 5K
19:49 | 6:23/mi
10K· 6.21 mi
39:35
Rank: #2852 (+124)
5K → 10K
19:46 | 6:22/mi
15K· 9.32 mi
59:15
Rank: #2724 (+128)
10K → 15K
19:40 | 6:20/mi
20K· 12.43 mi
1:19:05
Rank: #2635 (+89)
15K → 20K
19:50 | 6:23/mi
Half· 13.11 mi
1:23:20
Rank: #2603 (+32)
20K → Half
4:15 | 6:14/mi
25K· 15.53 mi
1:38:43
Rank: #2483 (+120)
Half → 25K
15:23 | 6:21/mi
30K· 18.64 mi
1:59:02
Rank: #2366 (+117)
25K → 30K
20:19 | 6:32/mi
20M
2:07:59
Rank: #2316 (+50)
30K → 20M
8:57 | 6:35/mi
21M
2:14:55
Rank: #2268 (+48)
20M → 21M
6:56 | 6:56/mi
35K· 21.75 mi
2:19:38
Rank: #2224 (+44)
21M → 35K
4:43 | 6:18/mi
23M
2:27:47
Rank: #2152 (+72)
35K → 23M
8:09 | 6:31/mi
24M
2:34:10
Rank: #2090 (+62)
23M → 24M
6:23 | 6:23/mi
40K· 24.85 mi
2:39:39
Rank: #2022 (+68)
24M → 40K
5:29 | 6:25/mi
25.2M
2:42:05
Rank: #2006 (+16)
40K → 25.2M
2:26 | 7:03/mi
Finish· 26.22 mi
2:48:22
Rank: #1946 (+60)
25.2M → Finish
6:17 | 6:10/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:23:20
Pace6:21 /mi
2nd Half
Distance13.11 mi
Time1:25:02
Pace6:29 /mi
📊Positive Split: 2.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:0819:496:2319:49
6:23
-
10K
6.21 mi10:44:5439:356:2219:46
6:22
-0:01
15K
9.32 mi11:04:3459:156:2119:40
6:20
-0:02
20K
12.43 mi11:24:241:19:056:2219:50
6:23
+0:03
Half
13.11 mi11:28:391:23:206:214:15
6:14
-0:09
25K
15.53 mi11:44:021:38:436:2115:23
6:21
+0:07
30K
18.64 mi12:04:211:59:026:2320:19
6:32
+0:11
20M
20.00 mi12:13:182:07:596:248:57
6:35
+0:03
21M
21.00 mi12:20:142:14:556:256:56
6:56
+0:21
35K
21.75 mi12:24:572:19:386:254:43
6:18
-0:38
23M
23.00 mi12:33:062:27:476:268:09
6:31
+0:13
24M
24.00 mi12:39:292:34:106:256:23
6:23
-0:08
40K
24.85 mi12:44:582:39:396:255:29
6:25
+0:02
25.2M
25.20 mi12:47:242:42:056:262:26
7:03
+0:38
Finish
26.22 mi12:53:412:48:226:266:17
6:10
-0:53

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

6:10 /mi

Average Pace

6:26 /mi

Slowest Pace

7:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:39:00

94% of race

Time at Steady Pace

9:22

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:25 /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 mi10:25:0819:496:2319:49
6:23
#2976
10K
6.21 mi10:44:5439:356:2219:46
6:22
#2852
15K
9.32 mi11:04:3459:156:2119:40
6:20
#2724
20K
12.43 mi11:24:241:19:056:2219:50
6:23
#2635
Half
13.11 mi11:28:391:23:206:214:15
6:14
#2603
25K
15.53 mi11:44:021:38:436:2115:23
6:21
#2483
30K
18.64 mi12:04:211:59:026:2320:19
6:32
#2366
20M
20.00 mi12:13:182:07:596:248:57
6:35
#2316
21M
21.00 mi12:20:142:14:556:256:56
6:56
#2268
35K
21.75 mi12:24:572:19:386:254:43
6:18
#2224
23M
23.00 mi12:33:062:27:476:268:09
6:31
#2152
24M
24.00 mi12:39:292:34:106:256:23
6:23
#2090
40K
24.85 mi12:44:582:39:396:255:29
6:25
#2022
25.2M
25.20 mi12:47:242:42:056:262:26
7:03
#2006
Finish
26.22 mi12:53:412:48:226:266:17
6:10
#1946
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi29761381382544(Top 9%)109(Top 0.9%)109(Top 2%)
10K6.21 mi3.10 mi2852+124129+9129+92827(Top 10%)128(Top 1%)128(Top 2%)
15K9.32 mi3.11 mi2724+128121+8121+82544(Top 9%)109(Top 0.9%)109(Top 2%)
20K12.43 mi3.11 mi2635+89114+7114+72450(Top 9%)106(Top 0.9%)106(Top 2%)
Half13.11 mi0.68 mi2603+32111+3111+32194(Top 8%)92(Top 0.8%)92(Top 2%)
25K15.53 mi2.42 mi2483+120107+4107+42090(Top 7%)94(Top 0.8%)94(Top 2%)
30K18.64 mi3.11 mi2366+117102+5102+52158(Top 8%)105(Top 0.9%)105(Top 2%)
20M20.00 mi1.36 mi2316+50101+1101+11983(Top 7%)101(Top 0.8%)101(Top 2%)
21M21.00 mi1.00 mi2268+4898+398+32026(Top 7%)112(Top 0.9%)112(Top 2%)
35K21.75 mi0.75 mi2224+4497+197+11671(Top 6%)96(Top 0.8%)96(Top 2%)
23M23.00 mi1.25 mi2152+7297971503(Top 5%)86(Top 0.7%)86(Top 2%)
24M24.00 mi1.00 mi2090+6297971625(Top 6%)101(Top 0.8%)101(Top 2%)
40K24.85 mi0.85 mi2022+6897971338(Top 5%)89(Top 0.7%)89(Top 2%)
25.2M25.20 mi0.35 mi2006+1696+196+11721(Top 6%)140(Top 1%)140(Top 3%)
Finish26.22 mi1.02 mi1946+6096961440(Top 5%)94(Top 0.8%)94(Top 2%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21stories
+97ft-345ft

Overall

2544

Females

109

F18-39

109

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2827

Females

128

F18-39

128

10K→15K

6.2 - 9.3 mi

Top 9%
×3stories
+67ft-78ft

Overall

2544

Females

109

F18-39

109

15K→20K

9.3 - 12.4 mi

Top 9%
×5stories
+106ft-86ft

Overall

2450

Females

106

F18-39

106

20K→Half

12.4 - 13.1 mi

Top 8%
×2stories
+19ft-37ft

Overall

2194

Females

92

F18-39

92

Half→25K

13.1 - 15.5 mi

Top 7%
×4stories
+66ft-88ft

Overall

2090

Females

94

F18-39

94

25K→30K

15.5 - 18.6 mi

Top 8%
×9stories
+181ft-148ft

Overall

2158

Females

105

F18-39

105

30K→20M

18.6 - 20.0 mi

Top 7%
×5stories
+64ft-50ft

Overall

1983

Females

101

F18-39

101

20M→21M

20.0 - 21.0 mi

Top 7%
×8stories
+106ft-24ft

Overall

2026

Females

112

F18-39

112

21M→35K

21.0 - 21.8 mi

Top 6%
×7stories
+17ft-86ft

Overall

1671

Females

96

F18-39

96

35K→23M

21.8 - 23.0 mi

Top 5%
×5stories
+23ft-63ft

Overall

1503

Females

86

F18-39

86

23M→24M

23.0 - 24.0 mi

Top 6%
×6stories
+12ft-82ft

Overall

1625

Females

101

F18-39

101

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1338

Females

89

F18-39

89

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1721

Females

140

F18-39

140

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2stories
+22ft-21ft

Overall

1440

Females

94

F18-39

94

Passing Analysis

Category:
Athletes Passed
1277
Passed By
247
Net Change
+1030
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2976
5K → 10K20278+124#2976#2852
10K → 15K15224+128#2852#2724
15K → 20K11829+89#2724#2635
20K → Half342+32#2635#2603
Half → 25K13313+120#2603#2483
25K → 30K15639+117#2483#2366
30K → 20M6313+50#2366#2316
20M → 21M6416+48#2316#2268
21M → 35K462+44#2268#2224
35K → 23M808+72#2224#2152
23M → 24M675+62#2152#2090
24M → 40K746+68#2090#2022
40K → 25.2M215+16#2022#2006
25.2M → Finish677+60#2006#1946
TOTALS1277247+1030
📊

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