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BOSTON MARATHON 2025

Christine Sullivan

Bib: 18330•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 38%
Masters (Masters Women)
#0 / 6759
Top 24%
Division (F45-49)
#0 / 1813
Top 28%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:56
Rank: #16794
Start → 5K
24:56 | 8:02/mi
10K· 6.21 mi
49:38
Rank: #16414 (+380)
5K → 10K
24:42 | 7:57/mi
15K· 9.32 mi
1:14:41
Rank: #16432 (-18)
10K → 15K
25:03 | 8:04/mi
20K· 12.43 mi
1:39:43
Rank: #16117 (+315)
15K → 20K
25:02 | 8:03/mi
Half· 13.11 mi
1:45:09
Rank: #16106 (+11)
20K → Half
5:26 | 7:58/mi
25K· 15.53 mi
2:05:10
Rank: #16007 (+99)
Half → 25K
20:01 | 8:15/mi
30K· 18.64 mi
2:31:24
Rank: #15671 (+336)
25K → 30K
26:14 | 8:27/mi
20M
2:42:48
Rank: #15428 (+243)
30K → 20M
11:24 | 8:23/mi
21M
2:51:53
Rank: #15289 (+139)
20M → 21M
9:05 | 9:05/mi
35K· 21.75 mi
2:57:59
Rank: #15183 (+106)
21M → 35K
6:06 | 8:09/mi
23M
3:08:30
Rank: #14988 (+195)
35K → 23M
10:31 | 8:24/mi
24M
3:16:45
Rank: #14868 (+120)
23M → 24M
8:15 | 8:15/mi
40K· 24.85 mi
3:23:54
Rank: #14767 (+101)
24M → 40K
7:09 | 8:22/mi
25.2M
3:27:03
Rank: #14716 (+51)
40K → 25.2M
3:09 | 9:08/mi
Finish· 26.22 mi
3:35:25
Rank: #14667 (+49)
25.2M → Finish
8:22 | 8:13/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:09
Pace8:01 /mi
2nd Half
Distance13.11 mi
Time1:50:16
Pace8:25 /mi
📊Positive Split: 4.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:2924:568:0224:56
8:02
-
10K
6.21 mi11:41:1149:387:5924:42
7:57
-0:05
15K
9.32 mi12:06:141:14:418:0125:03
8:04
+0:07
20K
12.43 mi12:31:161:39:438:0125:02
8:03
-0:01
Half
13.11 mi12:36:421:45:098:015:26
7:58
-0:05
25K
15.53 mi12:56:432:05:108:0320:01
8:15
+0:17
30K
18.64 mi13:22:572:31:248:0726:14
8:27
+0:12
20M
20.00 mi13:34:212:42:488:0811:24
8:23
-0:04
21M
21.00 mi13:43:262:51:538:119:05
9:05
+0:42
35K
21.75 mi13:49:322:57:598:116:06
8:09
-0:56
23M
23.00 mi14:00:033:08:308:1210:31
8:24
+0:15
24M
24.00 mi14:08:183:16:458:128:15
8:15
-0:09
40K
24.85 mi14:15:273:23:548:127:09
8:22
+0:07
25.2M
25.20 mi14:18:363:27:038:133:09
9:08
+0:46
Finish
26.22 mi14:26:583:35:258:138:22
8:13
-0:55

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

7:57 /mi

Average Pace

8:13 /mi

Slowest Pace

9:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:23:11

94% of race

Time at Steady Pace

12:14

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:13 /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 mi11:16:2924:568:0224:56
8:02
#16794
10K
6.21 mi11:41:1149:387:5924:42
7:57
#16414
15K
9.32 mi12:06:141:14:418:0125:03
8:04
#16432
20K
12.43 mi12:31:161:39:438:0125:02
8:03
#16117
Half
13.11 mi12:36:421:45:098:015:26
7:58
#16106
25K
15.53 mi12:56:432:05:108:0320:01
8:15
#16007
30K
18.64 mi13:22:572:31:248:0726:14
8:27
#15671
20M
20.00 mi13:34:212:42:488:0811:24
8:23
#15428
21M
21.00 mi13:43:262:51:538:119:05
9:05
#15289
35K
21.75 mi13:49:322:57:598:116:06
8:09
#15183
23M
23.00 mi14:00:033:08:308:1210:31
8:24
#14988
24M
24.00 mi14:08:183:16:458:128:15
8:15
#14868
40K
24.85 mi14:15:273:23:548:127:09
8:22
#14767
25.2M
25.20 mi14:18:363:27:038:133:09
9:08
#14716
Finish
26.22 mi14:26:583:35:258:138:22
8:13
#14667
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi167945625562516507(Top 58%)5439(Top 44%)5439(Top 300%)
10K6.21 mi3.10 mi16414+3805391+2345391+23416078(Top 57%)5166(Top 42%)5166(Top 285%)
15K9.32 mi3.11 mi16432-185395-45395-416507(Top 58%)5439(Top 44%)5439(Top 300%)
20K12.43 mi3.11 mi16117+3155222+1735222+17315342(Top 54%)4826(Top 39%)4826(Top 266%)
Half13.11 mi0.68 mi16106+115218+45218+415650(Top 55%)4970(Top 41%)4970(Top 274%)
25K15.53 mi2.42 mi16007+995168+505168+5015650(Top 55%)5098(Top 42%)5098(Top 281%)
30K18.64 mi3.11 mi15671+3365033+1355033+13514427(Top 51%)4594(Top 38%)4594(Top 253%)
20M20.00 mi1.36 mi15428+2434940+934940+9313115(Top 46%)4050(Top 33%)4050(Top 223%)
21M21.00 mi1.00 mi15289+1394887+534887+5314029(Top 49%)4651(Top 38%)4651(Top 257%)
35K21.75 mi0.75 mi15183+1064842+454842+4513350(Top 47%)4349(Top 36%)4349(Top 240%)
23M23.00 mi1.25 mi14988+1954760+824760+8212719(Top 45%)4117(Top 34%)4117(Top 227%)
24M24.00 mi1.00 mi14868+1204727+334727+3312943(Top 46%)4293(Top 35%)4293(Top 237%)
40K24.85 mi0.85 mi14767+1014702+254702+2512584(Top 44%)4237(Top 35%)4237(Top 234%)
25.2M25.20 mi0.35 mi14716+514679+234679+2312638(Top 44%)4317(Top 35%)4317(Top 238%)
Finish26.22 mi1.02 mi14667+494683-44683-414354(Top 51%)5127(Top 42%)5127(Top 283%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21stories
+97ft-345ft

Overall

16507

Females

5439

F45-49

5439

5K→10K

3.1 - 6.2 mi

Top 57%
×5stories
+79ft-138ft

Overall

16078

Females

5166

F45-49

5166

10K→15K

6.2 - 9.3 mi

Top 58%
×3stories
+67ft-78ft

Overall

16507

Females

5439

F45-49

5439

15K→20K

9.3 - 12.4 mi

Top 54%
×5stories
+106ft-86ft

Overall

15342

Females

4826

F45-49

4826

20K→Half

12.4 - 13.1 mi

Top 55%
×2stories
+19ft-37ft

Overall

15650

Females

4970

F45-49

4970

Half→25K

13.1 - 15.5 mi

Top 55%
×4stories
+66ft-88ft

Overall

15650

Females

5098

F45-49

5098

25K→30K

15.5 - 18.6 mi

Top 51%
×9stories
+181ft-148ft

Overall

14427

Females

4594

F45-49

4594

30K→20M

18.6 - 20.0 mi

Top 46%
×5stories
+64ft-50ft

Overall

13115

Females

4050

F45-49

4050

20M→21M

20.0 - 21.0 mi

Top 49%
×8stories
+106ft-24ft

Overall

14029

Females

4651

F45-49

4651

21M→35K

21.0 - 21.8 mi

Top 47%
×7stories
+17ft-86ft

Overall

13350

Females

4349

F45-49

4349

35K→23M

21.8 - 23.0 mi

Top 45%
×5stories
+23ft-63ft

Overall

12719

Females

4117

F45-49

4117

23M→24M

23.0 - 24.0 mi

Top 46%
×6stories
+12ft-82ft

Overall

12943

Females

4293

F45-49

4293

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

12584

Females

4237

F45-49

4237

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

12638

Females

4317

F45-49

4317

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2stories
+22ft-21ft

Overall

14354

Females

5127

F45-49

5127

Passing Analysis

Category:
Athletes Passed
2967
Passed By
840
Net Change
+2127
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16794
5K → 10K520140+380#16794#16414
10K → 15K204222-18#16414#16432
15K → 20K38570+315#16432#16117
20K → Half3423+11#16117#16106
Half → 25K215116+99#16106#16007
25K → 30K41478+336#16007#15671
30K → 20M25613+243#15671#15428
20M → 21M17334+139#15428#15289
21M → 35K12822+106#15289#15183
35K → 23M20914+195#15183#14988
23M → 24M14525+120#14988#14868
24M → 40K12221+101#14868#14767
40K → 25.2M6514+51#14767#14716
25.2M → Finish9748+49#14716#14667
TOTALS2967840+2127
📊

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